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This page documents observations and images of novae with discovery dates in 2021 Novae Name, discovery date, alias
Nova Cas 2021 - Nova (2021-03-30), V1405 Cas (spectra, end)
| Nova Cas 2021 (Cassiopeia) Nova in Cassiopeia discovered 2021-03-18.4236, by Yuji Nakamura (Japan) Magnitude at discovery +9.6 (unfiltered CCD) AT2021hkn (Type: Nova) reported by 2021/03/30.055 UT by Gaia Alias: Gaia21bpe, AT2021hkn, V1405 Cas ( TNS 2021hkn | Gaia21bpe ) |
| Nova Cas 2021 (Cassiopeia) Nova in Cassiopeia discovered 2021-03-18.4236, by Yuji Nakamura (Japan) Magnitude at discovery +9.6 (unfiltered CCD) AT2021hkn (Type: Nova) reported by 2021/03/30.055 UT by Gaia Alias: Gaia21bpe, AT2021hkn, V1405 Cas Nova indicated by white cross-hairs |
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| Annotated CCD Image (50% size, linear scale) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2021-08-10 01:38 UT (#904024-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-04-12 (T+24.7d) Image below (2021-04-12.142) was taken 24.7 days after after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.72 Note: star object is saturated and shows significant blooming, mag is likely to be underestimated (linked with Detection Threshold = 50) |
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| CCD Image (100% size, linear scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-12 03:30 UT (#882048-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-04-13 (T+25.7d) Image below (2021-04-13.105) was taken 14.0 days after after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.49 Note: star object is saturated and shows significant blooming, mag is likely to be underestimated (linked with Detection Threshold = 50) |
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| CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-13 02:41 UT (#883157-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-04-14 (T+26.7d) Image below (2021-04-13.105) was taken 26.7 days after after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.27 Note: star object is saturated and shows significant blooming, mag is likely to be underestimated (linked with Detection Threshold = 50) |
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| CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-14 02:00 UT (#884163-67) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-04-15 (T+27.7d) Image below (2021-04-15.083) was taken 27.7 days after after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.10 Note: star object is saturated and shows some blooming, mag is probably underestimated (linked with Detection Threshold = 50) |
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| CCD Image (100% size, linear scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, C Filter 2021-04-15 02:02 UT (#885141-44) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 [ Full size image, 100% size ] |
| Nova Cas 2021 / AT2021hkn - 2021-04-16 (T+28.7d) Image below (2021-04-16.087) was taken 28.7 days after after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.19 Note: star object is saturated and shows some blooming, mag is probably underestimated (linked with Detection Threshold = 50, ) |
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| CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2021-04-16 02:08 UT (#886126-30) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn -2021-04-16 (T+29.5d) Image below (2021-04-16.925) was taken 29.5 days after after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.23 Note: star object is saturated and shows some blooming, mag is probably underestimated (linked with Detection Threshold = 50) |
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| CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2021-04-16 22:16 UT (#887004-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-04-24 (T+37.5d) Image below (2021-04-24.968) was taken 37.5 days after after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +7.99 Note: star object is saturated and shows some blooming, mag is probably underestimated (linked with Detection Threshold = 50) |
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| CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2021-04-24 23:17 UT (#890028-32) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-04-25 (T+38.5d) Image below (2021-04-25.946) was taken 38.5days after after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.12 Note: star object is saturated and shows some blooming, mag is probably underestimated (linked with Detection Threshold = 50) |
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| CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2021-04-25 22:45 UT (#891037-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-05-07 (T+49.7d) Image below (2021-05-07.074) was taken 49.7 days after after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +7.90 Note: star object is saturated and shows significant blooming, mag is likely to be underestimated (linked with Detection Threshold = 50) |
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| CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2021-05-07 01:51 UT (#895088-92) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-05-08 (T+50.6d) Image below (2021-05-08.067) was taken 50.6 days after after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.13 Note: star object is saturated and shows significant blooming, mag is likely to be underestimated (linked with Detection Threshold = 50) |
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| CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2021-05-08 01:39 UT (#896068-72) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-05-10 (T+53.5d) Image below (2021-05-10.967) was taken 53.5 days after after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.14 Note: star object is saturated and shows significant blooming, mag is likely to be underestimated (linked with Detection Threshold = 50) |
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| CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2021-05-10 23:16 UT (#897009-13) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-08-10 (T+144.6d) Image below (2021-08-10.066) was taken 144.6 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.16 Note: star object is saturated and shows some blooming, mag is probably underestimated (linked with Detection Threshold = 50) |
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| CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, C Filter 2021-08-10 01:38 UT (#904024-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-08-14 (T+148.6d) Image below (2021-08-14.030) was taken 148.6 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.16 Note: star object is saturated and shows some blooming, mag is probably underestimated (linked with Detection Threshold = 50) |
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| CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-08-14 00:45 UT (#905091-95) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-08-24 (T+158.6d) Image below (2021-08-24.038) was taken 158.6 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.01 Note: star object is saturated and shows some blooming, mag is probably underestimated (linked with Detection Threshold = 50) |
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| CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-08-24 00:57 UT (#907051-55) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-08-27 (T+162.6d) Image below (2021-08-27.990) was taken 150.9 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +7.94 Note: star object is saturated and shows some blooming, mag is probably underestimated (linked with Detection Threshold = 50) |
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| CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-08-27 23:46 UT (#909081-85) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-09-01 (T+166.7d) Image below (2021-09-01.130) was taken 166.7 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.42 (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2021-09-01 03:09 UT (#910136-40) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-09-06 (T+172.6d) Image below (2021-09-06.980) was taken 172.6 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +7.92 (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-09-06 23:32 UT (#911021-25) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-09-07 (T+173.5d) Image below (2021-09-07.950) was taken 173.5 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +7.83 Note: star object is saturated and shows some blooming, mag is probably underestimated (linked with Detection Threshold = 50) |
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| CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-09-07 22:50 UT (#912055-59) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-09-19 (T+185.5d) Image below (2021-09-19.911) was taken 185.5 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +7.61 Note: star object is saturated and shows some blooming, mag is probably underestimated (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-09-19 21:54 UT (#914005-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-09-22 (T+187.7d) Image below (2021-09-22.135) was taken 187.7 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +7.74 Note: star object is saturated and shows some blooming, mag is probably underestimated (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-09-22 03:15 UT (#915291-95) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-09-27 (T+193.5d) Image below (2021-09-27.953) was taken 193.5 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +7.92 Note: star object is saturated and shows some blooming, mag is probably underestimated (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2021-09-27 22:54 UT (#917142-46) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-09-29 (T+195.5d) Image below (2021-09-29.948) was taken 195.5 days after after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.02 Note: star object is saturated and shows some blooming, mag is probably underestimated (linked with Detection Threshold = 50) |
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| CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-09-29 22:47 UT (#918123-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-10-02 (T+197.6d) Image below (2021-10-02.006) was taken 197.6 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.12 (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-10-02 00:11 UT (#919011-15) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-10-03 (T+199.6d) Image below (2021-10-03.992) was taken 199.6 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +7.92 Note: star object is saturated and shows some blooming, mag is probably underestimated (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-10-03 23:50 UT (#920033-37) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-10-04 (T+200.5d) Image below (2021-10-04.957) was taken 200.5 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.01 (Clear Filter) Note: star object is saturated and shows some blooming, mag is probably underestimated (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2021-10-04 23:00 UT (#921092-95) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-10-09 (T+205.5d) Image below (2021-10-09.967) was taken 205.5 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.04 (Clear Filter) (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 30s exposure (single frame), 3x3 binning, C Filter 2021-10-09 23:13 UT (#922004) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-10-15 (T+210.6d) Image below (2021-10-15.049) was taken 210.6 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.25 (Clear Filter) (linked with Detection Threshold = 30) |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2021-10-15 01:12 UT (#925098-101) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-10-25 (T+220.6d) Image below (2021-10-25.014) was taken 220.6 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.05 (Clear Filter) (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-10-25 00:22 UT (#927053-57) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-10-30 (T+226.6d) Image below (2021-10-30.993) was taken 226.6 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.16 (Clear Filter) (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-10-30 23:51 UT (#930115-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-11-03 (T+230.5d) Image below (2021-11-03.880) was taken 230.5 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.39 (Clear Filter) (linked with Detection Threshold = 50) |
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| CCD Image (100% size, linear scale, cropped) 3 x 30s exposure (average combine), 3x3 binning, C Filter 2021-11-03 21:09 UT (#931021-24) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-11-09 (T+236.4d) Image below (2021-11-09.816) was taken 236.4 after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.42 (Clear Filter) (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-11-09 19:37 UT (#932004-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-11-15 (T+242.5d) Image below (2021-11-15.919) was taken 242.5 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.76 (Clear Filter) (linked with Detection Threshold = 30) |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2021-11-15 22:04 UT (#933030-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-11-16 (T+243.6d) Image below (2021-11-16.974) was taken 243.6 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.84 (Clear Filter) (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-11-16 23:25 UT (#934042-46) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-11-19 (T+246.3d) Image below (2021-11-19.749) was taken 246.3 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.64 (Clear Filter) (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-11-19 18:01 UT (#935009-13) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-11-24
(T+250.7d) Image (2021-11-24.079) was taken 250.7 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.64 (Clear Filter) (poor quality image) (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 3 x 30s exposure (average combine), 3x3 binning, C Filter 2021-11-24 01:56 UT (#936185-89) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-12-05 (T+262.5d) Image below (2021-12-05.935) was taken 262.5 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.88 (Clear Filter) (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-12-05 22:28 UT (#939132-36) 12" LX200R (at f/10.4) + ST-10XME |
| Nova Cas 2021 / AT2021hkn - 2021-12-13 (T+270.4d) Image below (2021-12-13.838) was taken 270.4 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +8.98 (Clear Filter) (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-12-13 20:07 UT (#941091-95) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-12-16 (T+273.4d) Image below (2021-12-16.863) was taken 273.4 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +9.06 (Clear Filter) (linked with Detection Threshold = 50 |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-12-16 20:43 UT (#942057-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-12-24 (T+281.5d) Image below (2021-12-24.928) was taken 281.5 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +9.20 (Clear Filter) (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-12-24 22:18 UT (#944024-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-12-28 (T+285.4d) Image below (2021-12-28.872) was taken 285.4 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +9.13 (Clear Filter) (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-12-28 20:56 UT (#945011-15) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2021-12-29 (T+286.5d) Image below (2021-12-29.928) was taken 286.5 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +9.00 (Clear Filter) (linked with Detection Threshold = 30) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2021-12-29 22:18 UT (#946049-53) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2022-01-01 (T+289.3d) Image below (2022-01-01.727) was taken 289.3 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +9.18 (Clear Filter) (linked with Detection Threshold = 50 |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2022-01-01 17:28 UT (#947003-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2022-01-03 (T+291.3d) Image below (2022-01-03.734) was taken 291.3 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +9.08 (Clear Filter) (linked with Detection Threshold = 30) Poor quality image - single frame/affected by wind shake |
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| Annotated CCD Image (100% size, linear scale, cropped) 30s exposure (single frame), 3x3 binning, C Filter 2022-01-03 17:39 UT (#948015) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-01-09 am (T+296.9d) Image below (2022-01-09.292) was taken 296.9 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +9.32 (Clear Filter) (linked with Detection Threshold = 15) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2022-01-09 07:02 UT (#951163-67) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-01-09 pm (T+297.4d) Image below (2022-01-09.842) was taken 297.4 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +9.58 (Clear Filter) (linked with Detection Threshold = 30) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2022-01-09 20:14 UT (#952090-94) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-01-11 (T+298.9d) Image below (2022-01-11.289) was taken 298.9 days after discovery of Nova is shown by white cross hairs. Measured magnitude +9.25 (Clear Filter) (linked with Detection Threshold = 15) |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2022-01-11 06:58 UT (#953078-82) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-01-14 (T+301.6d) Image below (2022-01-14.006) was taken 301.6 days after discovery of V1405 Cas Nova is shown by white cross hairs. Measured magnitude +9.41 (Clear Filter) (linked with Detection Threshold = 15) |
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| Annotated CCD Image (100% size, linear scale, cropped) 3 x 30s exposure (average combine), 3x3 binning, C Filter 2022-01-14 00:09 UT (#954013-15) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-01-17 (T+305.5d) Image below (2022-01-17.915) was taken 305.5 days after discovery of V1405 Cas Nova is shown by white cross hairs. Measured magnitude +9.45 (Clear Filter) (linked with Detection Threshold = 15) |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2022-01-17 21:59 UT (#955081-85) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2022-01-21 (T+309.4d) Image below (2022-01-21.794) was taken 309.4 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +9.68 (Clear Filter) (linked with Detection Threshold = 30 |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2022-01-21 19:06 UT (#957049-53) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-01-22 (T+310.5d) Image below (2022-01-22.877) was taken 310.5 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +9.58 (Clear Filter) (linked with Detection Threshold = 30 |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2022-01-22 21:05 UT (#958073-77) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-01-25 (T+313.4d) Image below (2022-01-25.853) was taken 313.4 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +9.55 (Clear Filter) (linked with Detection Threshold = 30 |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2022-01-25 20:30 UT (#959034-38) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2022-01-27 (T+315.4d) Image below (2022-01-27.820) was taken 315.4 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +9.95 (fading) (Clear Filter) (linked with Detection Threshold = 30 |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2022-01-27 19:42 UT (#960003-06) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2022-02-05 (T+323.8d) Image below (2022-02-05.203) was taken 323.8 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +9.33 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 2 x 30s exposure (average combine), 3x3 binning, C Filter 2022-02-05 04:54 UT (#963242-43) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-02-05 (T+324.4d) Image below (2022-02-05.842) was taken 324.4 days after discovery of Nova is shown by white cross hairs. Measured magnitude +9.50 (Clear Filter) (linked with Detection Threshold = 15) |
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| Annotated CCD Image (100% size, linear scale, cropped) 30s exposure (single frame), 3x3 binning, C Filter 2022-02-05 20:14 UT (#964006) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-02-09 (T+328.4d) Image below (2022-02-09.776) was taken 328.4 days after discovery of V1405 Cas Nova is shown by white cross hairs. Measured magnitude +9.77 (Clear Filter) (linked with Detection Threshold = 30 |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2022-02-09 18:39 UT (#968003-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 / AT2021hkn - 2022-02-11 (T+329.8d) Image below (2022-02-11.199) was taken 329.8 days after discovery of Nova Nova is shown by white cross hairs. Measured magnitude +9.60 (Clear Filter) (linked with Detection Threshold = 50 |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2022-02-11 04:48 UT (#969162-66) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-02-20 (T+339.4d) Image below (2022-02-20.872) was taken 339.4 days after discovery of Nova is shown by white cross hairs. Measured magnitude +9.94 (Clear Filter) (linked with Detection Threshold = 30 |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2022-02-20 20:58 UT (#973063-67) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-02-23 (T+342.5d) Image below (2022-02-23.935) was taken 342.5 days after discovery of f V1405 Cas Nova is shown by white cross hairs. Measured magnitude +9.83 (Clear Filter) (linked with Detection Threshold = 30 |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2022-02-23 22:27 UT (#976049-53) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-03-01 (T+347.7d) Image below (2022-03-01.160) was taken 347.7 days after discovery of V1405 Cas Nova is shown by white cross hairs. Measured magnitude +9.73 (Clear Filter) (linked with Detection Threshold = 30 |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2022-03-01 03:53 UT (#979149-53) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-03-01 (T+348.4d) Image below (2022-03-01.868) was taken 348.4 days after discovery of V1405 Nova is shown by white cross hairs. Measured magnitude +9.84 (Clear Filter) (linked with Detection Threshold = 30 |
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| Annotated CCD Image (100% size, linear scale, cropped) 3 x 30s exposure (average combine), 3x3 binning, C Filter 2022-03-01 20:52 UT (#980047-49) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-03-05 (T+351.8d) Image below (2022-03-05.201) was taken 351.8 days after discovery of V1405 Nova is shown by white cross hairs. Measured magnitude +9.62 (Clear Filter) (linked with Detection Threshold = 30 |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2022-03-05 04:51 UT (#981126-30) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-03-05 (T+352.4d) Image below (2022-03-05.809) was taken 352.4 days after discovery of V1405 Nova is shown by white cross hairs. Measured magnitude +9.56 (Clear Filter) (linked with Detection Threshold = 30) |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2022-03-05 19:23 UT (#982004-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-03-07 (T+353.7d) Image below (2022-03-07.163) was taken 353.7 days after discovery of V1405 Nova is shown by white cross hairs. Measured magnitude +9.31 (Clear Filter) (linked with Detection Threshold = 30) |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, C Filter 2022-03-07 03:57 UT (#983171-75) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-03-15 (T+361.7d) Image below (2022-03-15.087) was taken 361.7 days after discovery of V1405 Nova is shown by white cross hairs. Measured magnitude +9.48 (Clear Filter) (linked with Detection Threshold = 15) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2022-03-15 02:07 UT (#985034-38) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-03-20 (T+366.7d) Image below (2022-03-20.143) was taken 366.7 days after discovery of V1405 Nova is shown by white cross hairs. Measured magnitude +10.09 (Clear Filter) (linked with Detection Threshold = 30) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2022-03-20 03:28 UT (#989215-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-04-28 (T+405.6d) Image below (2022-04-28.056) was taken 405.6 days after discovery of V1405 Nova is shown by white cross hairs. Measured magnitude +9.97 (Clear Filter) (linked with Detection Threshold = 30) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2022-04-28 01:23 UT (#1004091-95) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-05-07 (T+415.6d) Image below (2022-05-07.999) was taken 415.6 days after discovery of V1405 Cas Nova is shown by white cross hairs. Measured magnitude +10.29 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2022-05-08 00:00 UT (#1007045-49) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-05-10 (T+418.5d) Image below (2022-05-10.946) was taken 418.5 days after discovery of V1405 Cas Nova is shown by white cross hairs. Measured magnitude +10.28 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, C Filter 2022-05-10 22:44 UT (#1008015-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-08-20 (T+519.7d) Image below (2022-08-20.107) was taken 519.7 days after discovery of Nova is shown by white cross hairs. Measured magnitude +10.45 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, Clear Filter 2022-08-20 02:31 UT (#1029118-21) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-10-27 (T+587.6d) Image below (2022-10-27.051) was taken 587.6 days after discovery of Nova is shown by white cross hairs. Measured magnitude +11.04 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2022-10-27 01:16 UT (#1049122-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-11-03 (T+595.5d) Image below (2022-11-03.944) was taken 595.5 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +11.03 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2022-11-03 22:42 UT (#1053130-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 (Nova) - 2022-11-12 (T+603.6d) Image below (2022-11-12.031) was taken 603.6 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +11.26 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2022-11-12 00:47 UT (#1057220-24) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2022-11-29 (T+621.4d) Image below (2022-11-29.845) was taken 621.4 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +11.25 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2022-11-29 20:19 UT (#1065100-04) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2023-01-01 (T+654.4d) Image below (2023-01-01.844) was taken 654.4 days after discovery of Nova is shown by white cross hairs. Measured magnitude +11.34 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 3 x 30s exposure (average combine), 3x3 binning, Clear Filter 2023-01-01 20:17 UT (#1080023-25) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2023-09-04 (T+899.7d) Image below (2023-09-04.085) was taken 899.7 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +12.20 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2023-09-04 02:04 UT (#1138158-62) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2023-09-07 (T+902.7d) Image below (2023-09-07.112) was taken 902.7 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +12.06 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2023-09-07 02:43 UT (#1140127-31) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2023-09-08 (T+904.5d) Image below (2023-09-08.889) was taken 904.5 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +11.97 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2023-09-08 21:22 UT (#1141033-37) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2023-09-29 (T+924.7d) Image below (2023-09-29.162) was taken 924.7 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +12.04 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2023-09-29 03:55 UT (#1150051-55) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2023-10-04 (T+930.5d) Image below (2023-10-04.878) was taken 930.5 days after discovery of Nova is shown by white cross hairs. Measured magnitude +11.74 (brightened) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2023-10-04 21:06 UT (#1154018-22) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2023-10-12 (T+937.7d) Image below (2023-10-12.122) was taken 937.7 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +11.81 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2023-10-12 02:56 UT (#1156179-83) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2023-10-17 (T+942.7d) Image below (2023-10-17.159) was taken 942.7 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +12.02 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, Clear Filter 2023-10-17 03:51 UT (#1157005-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2023-10-22 (T+948.4d) Image below (2023-10-22.799) was taken 948.4 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +12.09 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2023-10-22 19:13 UT (#1158019-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2023-11-12 (T+969.5d) Image below (2023-11-12.885) was taken 969.5 days after discovery of Nova is shown by white cross hairs. Measured magnitude +12.14 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, Clear Filter 2023-11-12 21:16 UT (#1166040-44) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2023-11-15 (T+972.5d) Image below (2023-11-15.933) was taken 972.5 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +12.06 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2023-11-15 22:25 UT (#1167183-87) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2023-12-02 (T+989.4d) Image below (2023-12-02.869) was taken 989.4 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +11.99 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2023-12-02 20:53 UT (#1171075-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2023-12-06 (T+992.6d) Image below (2023-12-06.026) was taken 992.6 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +11.89 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2023-12-06 00:40 UT (#1172126-30) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2023-12-18 (T+1004.6d) Image below (2023-12-18.025) was taken 1004.6 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +12.14 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 4 x 30s exposure (average combine), 3x3 binning, Clear Filter 2023-12-18 00:37 UT (#1174068-72) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 (Nova) - 2024-02-21 (T+1070.5d) Image below (2024-02-21.915) was taken 1070.5 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +12.07 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 30s exposure (average combine), 3x3 binning, Clear Filter 2024-02-21 21:59 UT (#1188057-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 - 2024-02-22 (T+1071.5d) Image below (2024-02-22.891) was taken 1071.5 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +12.05 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 2 x 30s exposure (average combine), 3x3 binning, Clear Filter 2024-02-22 21:23 UT (#1189056-57) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 (Nova) - 2024-05-04 (T+1142.6d) Image below (2024-05-04.057) was taken 1142.6 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +12.10 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 45s exposure (average combine), 3x3 binning, Clear Filter 2024-05-04 01:24 UT (#1215012-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 (Nova) - 2024-08-15 (T+1246.6d) Image below (2024-08-15.994) was taken 1246.6 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +11.98 (Clear Filter) (linked with Detection Threshold = 50) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 45s exposure (average combine), 3x3 binning, Clear Filter 2024-08-15 23:53 UT (#1228073-77) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 (V1405 Cas) Spectra |
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| CCD Image (100% size, rotated, square root scale, cropped) 2 x 30s exposure (average combine), 2x2 binning, S Filter 2021-08-24 00:59 UT (#907056-57) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Spectra taken with Star Analyser
200 (square root scale) 5 x 30s exposure (average combine), 2x2 binning, S Filter 2021-11-15 22:08 UT (#933035-39) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Spectra taken with Star Analyser
200 (square root scale) 5 x 30s exposure (average combine), 2x2 binning, S Filter 2022-01-21 19:10 UT (#957054-58) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Spectra taken with Star Analyser
200 (square root scale) 5 x 45s exposure (average combine), 2x2 binning, S Filter 2022-04-28 01:27 UT (#1004096-100) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Spectra taken with Star Analyser
200 (square root scale) 5 x 60s exposure (average combine), 2x2 binning, S Filter 2022-11-03 22:47 UT (#1053135-39) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Spectra taken with Star Analyser
200 (square root scale) 5 x 60s exposure (average combine), 2x2 binning, S Filter 2022-11-12 00:51 UT (#1057225-29) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Spectra taken with Star Analyser
200 (square root scale) 5 x 60s exposure (average combine), 2x2 binning, S Filter 2023-09-04 02:08 UT (#1138163-67) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Spectra taken with Star Analyser
200 (square root scale) 5 x 90s exposure (average combine), 2x2 binning, S Filter 2023-10-22 19:19 UT (#1158024-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 (V1405 Cas) Spectra - Corrected . Raw Spectra calibrated using two point calibration in RSpec 2.0.0: 1) Zero Order Star at 0 and 2) Ha emission line at 6563 A. Giving a calibration scale of 25.5 Angstroms/pixel Then corrected using Instrument Response determined from Reference Star HIP 115566 / SAO 20610 (Type B9III) taken at same time & at same altitude (85 deg). Details: Session S907, 2021-08-23 |
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| Spectra produced in RSpec 2.0.0 using Image taken with Star Analyser
200 Image details as above |
| Nova Cas 2021 (V1405 Cas) Spectra, 2021-08-23 to 2021-08-27 Corrected using Instrument Response Curve |
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| Spectra produced in RSpec 2.0.0 using Images taken with Star Analyser
200 Displayed using RSpec Presentation Manager Image details as above |
| Nova Cas 2021 (V1405 Cas) Spectra - 2021-08-24 (T+158.6d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-08-27 (T+162.6d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-09-01 (T+166.7d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-09-06 (T+172.6d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-09-07 (T+175.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-09-19 (T+185.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-09-22 (T+187.7d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-09-27 (T+193.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-09-29 (T+195.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-10-02 (T+197.6d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-10-03 (T+199.6d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-10-04 (T+200.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-10-15 (T+210.6d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-10-25 (T+220.6d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-10-30 (T+226.6d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-11-03 (T+230.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-11-09 (T+236.4d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-11-15 (T+242.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-11-16 (T+243.6d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-11-19 (T+246.3d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-11-24 (T+250.7d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-12-05 (T+262.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-12-13 (T+270.4d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-12-16 (T+273.4d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-12-24 (T+281.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-12-28 (T+285.4d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2021-12-29 (T+286.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-01-01 (T+289.3d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-01-03 (T+291.3d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-01-09 am (T+296.9d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-01-09 pm (T+297.4d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-01-11 (T+298.9d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-01-14 (T+301.6d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-01-17 (T+305.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-01-21 (T+309.4d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-01-22 (T+310.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-01-25 (T+313.4d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-01-27 (T+315.4d) |
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| Spectra produced in AstroMain using Image taken with Star Analyser
200 5 x 30s exposure (average combine), 2x2 binning, S Filter |
| Nova Cas 2021 (V1405 Cas) Spectra - 2022-02-05 (T+323.8d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-02-05 (T+324.4d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-02-09 (T+328.4d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-02-11 (T+329.8d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-02-20 (T+339.4d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-02-23 (T+342.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-03-01 (T+347.7d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-03-01 (T+348.4d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-03-05 (T+351.8d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-03-05 (T+352.4d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-03-07 (T+353.7d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-03-15 (T+361.7d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-03-20 (T+366.7d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-04-28 (T+405.6d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-05-07 (T+415.6d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-05-10 (T+418.5d) Note: Exposure increased to 60s for this and subsequent sessions |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-08-20 (T+519.7d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-10-27 (T+587.6d) |
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| Spectra produced in AstroMain using Image taken with Star Analyser
200 5 x 60s exposure (average combine), 2x2 binning, S Filter 2022-10-27 01:21 UT (#1049127-31) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 (V1405 Cas) Spectra - 2022-11-03 (T+595.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-11-12 (T+603.6d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2022-11-29 (T+621.4d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2023-01-01 (T+654.4d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2023-09-04 (T+899.7d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2023-09-07 (T+902.7d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2023-09-08 (T+904.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2023-09-29 (T+924.7d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2023-10-04 (T+930.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2023-10-12 (T+937.7d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2023-10-17 (T+942.7d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2023-10-22 (T+948.4d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2023-11-12 (T+969.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2023-11-15 (T+972.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2023-12-02 (T+989.4d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2023-12-06 (T+992.6d) |
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| Spectra produced in AstroMain using Image taken with Star Analyser
200 4 x 90s exposure (average combine), 2x2 binning, S Filter 2023-12-06 00:45 UT (#1172131-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Cas 2021 (V1405 Cas) Spectra - 2023-12-18 (T+1004.6d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2024-02-22 (T+1071.5d) |
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| Nova Cas 2021 (V1405 Cas) Spectra - 2024-02-21 (T+1070.5d) |
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| End |
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| This Web Page: | Novae 2021 |
| Last Updated : | 2024-09-11 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
