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Images - Session 1141 (2023-09-08)
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| C/2019 T4 (ATLAS) - 2023-09-08 (passing through Serpens) Sun Distance 5.63 AU (receeding) Earth Distance 5.98 AU (893.9 million km) |
C/2019 T4 (ATLAS) - 2023-09-08 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 21.90 arcsec/hr, Dec -9.11 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-09-08 21:07 UT (#1141023-25) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 7 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-09-08 21:09 UT (#1141023-29) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of C/2019 T4 (ATLAS) on Comets 2023 Page >> |
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| C/2020 R7 (ATLAS) - 2023-09-08 (passing through Corona Borealis) Sun Distance 4.52 AU (receeding) Earth Distance 4.87 AU (728.1 million km) |
C/2020 R7 (ATLAS) - 2023-09-08 Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 6.27 arcsec/hr, Dec -8.75 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 7 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-09-08 20:54 UT (#1141014-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) Image details as left |
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| Images of C/2020 R7 (ATLAS) on Comets 2023 Page >> |
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| C/2023 E1 (ATLAS) - 2023-09-08 (passing through Aquarius) Sun Distance 1.51 AU (receeding) Earth Distance 0.51 AU (76.8 million km) |
C/2023 E1 (ATLAS) 2023-09-08, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 29.23 arcsec/hr, Dec -188.43 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, Clear Filter 2023-09-08 23:28 UT (#1141103-04) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, square root scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, Clear Filter 2023-09-08 23:34 UT (#1141103-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of C/2023 E1 (ATLAS) on Comets 2023 Page >> |
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| 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 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 |
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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 (V1405 Cas) Spectra - 2023-09-08 (T+904.5d) |
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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 2023-09-08 21:27 UT (#1141038-42) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of Nova Cas 2021 on Novae Page >> |
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| AT 2023htu (Cassiopeia) AT 2023htu (Type: ulens?) discovered 2023-04-29.208 UT by Gaia Alias: Gaia23bst Alerting Mag +16.92 (G-Gaia Filter) (vs Historic Magnitude +17.65) Brightening in Gaia, WISE and UV source ( TNS 2023htu | Gaia23bst ) |
| AT 2023htu - 2023-09-09 (T+132.9d) Image below (2023-09-09.113) was taken 132.9 days after discovery of 2023htu Position of transient is shown by white cross-hairs Measured magnitude +14.85 (Clear Filter) Single frame |
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| Annotated CCD Image (100% size, linear scale, cropped) 180s exposure (single frame), 3x3 binning, Clear Filter 2023-09-09 02:43 UT (#1141179) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2023htu on Transients 2023 Page >> |
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| AT 2023otv (Cassiopeia) AT 2023otv (Type: unk) discovered 2023-08-04.369 UT by ZTF Alias: ZTF23aavxpit, Gaia23cek Discovery Mag 15.67 (g-ZTF Filter) (vs Prior Non-Detection Limiting Flux 20.02) Apparently hostless transient ( TNS 2023otv | Gaia23cek ) |
| AT 2023otv - 2023-09-09 (T+35.7d) Image below (2023-09-09.071) was taken 35.7 days after discovery of 2023otv Position of earlier transient (very faint) is shown by white cross-hairs Estimated magnitude 18.5 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-09 01:50 UT (#1141158-62) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2023otv on Transients 2023 Page >> |
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| AT 2023rfq (Cygnus) AT 2023rfq (Type: YSO?) discovered 2023-08-24.114 UT by Gaia Alias: Gaia23cbk Discovery Mag 13.19 (G-Gaia Filter) (vs Historic Mag 13.49) Brightening in candidate YSO ( TNS 2023rfq | Gaia23cbk ) |
| AT 2023rfq - 2023-09-08 (T+15.8d) Image below (2023-09-08.942) was taken 15.8 days after discovery of 2023rfq Position of reported transient (distinct) is shown by white cross-hairs Measured magnitude +13.04 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-08 22:46 UT (#1141072-76) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2023rfq on Transients 2023 Page >> |
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| AT 2023rgi (Cepheus) AT 2023rgi (Type: ulens?) discovered 2023-08-27.945 UT by Gaia Alias: Gaia23ccc Discovery Mag 10.98 (G-Gaia Filter) (vs Historic Mag 11.25) Bright gal.plane source candidate microlensing event or Be-type outburst rises by 0.3 mag ( TNS 2023rgi | Gaia23ccc ) |
| AT 2023rgi - 2023-09-08 (T+12.0d) Image below (2023-09-08.927) was taken 12.0 days after discovery of 2023rgi Position of reported transient is shown by white cross-hairs Measured magnitude +10.89 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-08 22:23 UT (#1141065-69) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2023rgi on Transients 2023 Page >> |
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| AT 2023rsr (Perseus) AT 2023rsr (Type: CV) discovered 2023-09-04.132 UT by Gaia Alias: Gaia23cfy Discovery Mag 11.68 (G-Gaia Filter) (vs historic mag 11.97) ~0.25 mag rise in Be star ( TNS 2023rsr | Gaia23cfy ) |
| AT 2023rsr - 2023-09-09 (T+5.0d) Image below (2023-09-09.085) was taken 5.0 days after discovery of 2023rsr Position of reported transient (distinct) is shown by white cross-hairs Measured magnitude +11.83 (Clear Filter) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2023-09-09 02:06 UT (#1141165-69) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2023rsr on Transients 2023 Page >> |
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| CGCG 373-018 with SN 2022osg (Aquila) SN 2022osg (Type: Ia) discovered 2022-07-12.351 UT by ZTF Alias: ZTF22aasycgf Discovery Mag 18.50 (r-ZTF Filter) ( Rochester Supernova site | TNS 2022osg ) |
| CGCG 373-018 with SN 2022osg - 2023-09-08 (T+423.6d) Image below (2023-09-08.963) was taken 423.6 days after discovery of 2022osg Position of reported SN (indistinct, likely faded & no longer visible) is shown by white cross-hairs |
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| Annotated CCD Image (150% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-08 23:13 UT (#1141096-99) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2022osg (CGCG 373-018) on Supernovae 2022 Page >> |
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| IC 458 with SN 2023rgp (Lynx) SN 2023rgp (Type: Ia) discovered 2023-09-04.456 UT by ZTF Alias: ZTF23abawgqs Discovery Magnitude 18.17 (g-ZTF Filter) ( TNS 2023rjj ) |
| IC 458 with SN 2023rgp - 2023-09-09 (T+4.6d) Image below (2023-09-09.041) was taken 4.6 days after discovery of 2023rgp Position of reported SN (not separately distinguishable) is indicated by white cross-hairs. Measured Magnitude +13.48 (nucleus + SN) |
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| Annotated CCD Image (175% size, log scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-09 01:06 UT (#1141145-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2023rgp (in IC 458) on Supernova 2023 Page >> |
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| M101 with SN 2023ixf (Ursa Major) SN 2023ixf (Type: IIL) discovered 2023-05-19.727 UT by Koichi Itagaki Alias: ZTF23aaklqou, AT2023iyi, AT2023jgd, AT2023jfz, PSN J14033858+5418421, PS23dij Discoverer Mag 14.9 (Clear filter) ( Rochester Supernova site | TNS 2023ixf ) |
| M101 with SN 2023ixf - 2023-09-08 (T+112.3d) Image below (2023-09-08.992) was taken 112.3 days after discovery of 2023ixf Position of supernova (still distinct , stable) is shown by white cross-hairs Measured Magnitude +13.47 |
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| Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-08 23:57 UT (#1141121-25) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2023ixf (M101) on Supernova 2023 Page |
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| NGC 1086 with SN 2023rix (Perseus) SN 2023rix (Type: II) discovered 2023-09-05.365 UT by ALeRCE Discovery Magnitude 18.21 (g-ZTF Filter) ( TNS 2023rix ) |
| NGC 1086 with SN 2023rix - 2023-09-09 (T+3.7d) Image below (2023-09-09.092) was taken 3.7 days after discovery of 2023rix Position of reported transient (faint but distinct) is indicated by white cross-hairs. Measured Magnitude ? (not resolveable in SExtractor) |
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| Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-09 02:22 UT (#1141171-75) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2023rix (in NGC 1086) on Supernova 2023 Page >> |
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| NGC 2326 with SN 2023pgb (Lynx) SN 2023pgb (Type: II) discovered 2023-08-12.496 UT by ZTF Alias: ZTF23aaxdfya Discovery Magnitude 17.44 ( r-ZTF) ( TNS 2023pgb ) |
| NGC 2326 with SN 2023pgb - 2023-09-09 (T+27.5d) Image below (2023-09-09.024) was taken 27.5 days after discovery of 2023pgb Position of reported SN (faint) is indicated by white cross-hairs. Measured Magnitude +17.59 (Clear Filter) |
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| Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-09 00:43 UT (#1141137-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2023pgb (in NGC 2326) on Supernova 2023 Page >> |
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| NGC 2805 (Ursa Major) |
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| CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-09 00:21 UT (#1141129-33) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| NGC 2805 - Detail |
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| CCD Image (100% size, square root scale, cropped) Image details as above |
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| Negative CCD Image (100% size, square root scale, cropped) Image details as above |
| NGC 2805 - Earlier Images (Nov 2019) |
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| CCD Image (50% size, square root scale) 6 x 180s exposure (average combine), 3x3 binning, C Filter 2019-11-29 21:30 UT (#724097-102) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| NGC 2805 - Detail |
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| CCD Image (100% size, square root scale, cropped) Image details as above |
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| Negative CCD Image (100% size, square root scale, cropped) Image details as above |
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| UGC 3174 with SN 2023mut (Orion) SN 2023mut (Type: IIb) discovered 2023-07-11.180 UT by ASAS-SN Alias: ASASSN-23fh Discovery Magnitude 15.2 (g-Sloan Filter) ( TNS 2023mut ) |
| UGC 3174 with SN 2023mut - 2023-09-09 (T+60.0d) Image below (2023-09-09.159) was taken 60.0 days after discovery of 2023mut Position of reported SN (distinct & stable?) is indicated by white cross-hairs. Measured Magnitude +15.05 (Clear Filter) |
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| Annotated CCD Image (150% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-09 03:52 UT (#1141191-92) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2023mut (in UGC 3174) on Supernova 2023 Page >> |
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| UGC 9002 with SN 2023pls (Bootes) SN 2023pls (Type: II) discovered 2023-08-14.976 UT by ATLAS Alias: ATLAS23red, Gaia23cbq Discovery Magnitude 17.54 (cyan-ATLAS) z (redshift) = 0.0136 ( TNS 2023pls | Gaia23cbq ) |
| UGC 9002 with SN 2023pls - 2023-09-08 (T+24.9d) Image below (2023-09-08.853) was taken 24.9 days after discovery of 2023pls Position of reported SN (faint) is indicated by white cross-hairs. Measured Magnitude +16.96 Poor quality image (poor transparency, Alt: 14.3°) |
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| Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-08 20:38 UT (#1141007-11) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2023pls (in UGC 9002) on Supernova 2023 Page >> |
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| UGC 11858 with SN 2023rjj (Cygnus) SN 2023rjj (Type: Ia) discovered 2023-09-05.340 UT by ALeRCE Alias: ZTF23abaxkwq Discovery Magnitude 18.17 (g-ZTF Filter) ( TNS 2023rjj ) |
| UGC 11858 with SN 2023rjj - 2023-09-08 (T+3.6d) Image below (2023-09-08.900) was taken 3.6 days after discovery of 2023rjj Position of reported transient (faint but distinct) is indicated by white cross-hairs. Measured Magnitude ? (unable to differentiate SN from nucleus) |
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| Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-08 21:45 UT (#1141045-49) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2023rjj (in UGC 11858) on Supernova 2023 Page >> |
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| UGC 12308 with SN 2023hlu (Pegasus) SN 2023hlu (Type: II) discovered 2023-05-01.410 UT by ASAS-SN Alias: ASASSN-23dn, ATLAS23jys Discovery Magnitude 16.0 (g-Sloan Filter) z (redshift) = 0.0136 ( TNS 2023hlu ) |
| UGC 12308 - Spiral Galaxy Alias: PGC 70271 (catalog mag +15.2) wih nearby galaxy PGC 1455001 (catalog mag +16.7) |
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| Annotated CCD Image ( 50% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-09 01:29 UT (#1141151-55) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| UGC 12308 with SN 2023hlu - 2023-09-09 (T+130.6d) Image below (2023-09-09.056) was taken 130.6 days after discovery of 2023hlu Position of reported SN (faint) is indicated by white cross-hairs. Measured Magnitude +17.27 (Clear Filter) |
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| Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2023-09-09 01:29 UT (#1141151-55) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2023hlu (in UGC 12308) on Supernova 2023 Page >> |
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| This Web Page: | Images - Session 1141 (2022-09-08) |
| Last Updated : | 2024-06-15 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
