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CCD Images - Session 883 (2021-04-12)
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| 7P/Pons-Winnecke - 2021-04-13 (passing through Ophiuchus) Sun Distance 1.34 AU (approaching) Earth Distance 0.70 AU (105.0 million km) Position of comet shown by white circle |
7P/Pons-Winnecke - 2021-04-13, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 124.79 arcsec/hr, Dec -21.01 arcsec/hr) Comet is indicated by white cross-hairs. |
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| Annotated CCD Image (50% size, square root scale) 2 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-13 03:18 UT (#883202-03) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, square root scale, cropped) 13 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-13 03:24 UT (#883202-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of 7P/Pons-Winnecke on Comets 2021 Page >> |
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| C/2020 T2 (Palomar) - 2021-04-13 (passing through Canes Venatici) Sun Distance 2.31 AU (approaching) Earth Distance 1.48 AU (221.2 million km) Comet indicated by white cross-hairs |
C/2020 T2 (Palomar) - 2021-04-13, Detail Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -23.09 arcsec/hr, Dec -5.25 arcsec/hr) |
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| Annotated CCD Image (50% size, square root scale) 3 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-13 00:43 UT (#883096-98) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
CCD Image (100% size, log scale, cropped) 15 x 45s exposure (average combine), 3x3 binning, C Filter 2021-04-13 00:49 UT (#883096-110) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of C/2020 T2 (Palomar) on Comets 2021 Page >> |
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| Nova Per 2020 (Perseus) Nova in Perseus discovered 2020/11/25.807 [ Novae ] Nova Per 2020 discovered independently by Seiji Ueda and Stanislav Korotkiy et al AT2020abap (Type: CV) reported 2020/11/27.230 UT by PGIR Alias: N Per 2020 , PGIR20fbf, TCP J04291888+4354233, TCP J04291884+4354232, V1112 Per |
| Nova Per 2020 - 2021-04-12 (T+138.1d) Image below (2021-04-12.901) was taken 138.1 days after discovery of nova Nova is shown by white cross hairs. Measured magnitude +14.3 (turning/fading?) |
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| Annotated CCD Image (100% size, linear scale, cropped) 5 x 90s exposure (average combine), 3x3 binning, C Filter 2021-04-12 21:43 UT (#883017-21) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of Nova Per 2020 on Novae 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 , V1405 Cas ( TNS 2021hkn | Gaia21bpe ) |
| Nova Cas 2021 / AT2021hkn - 2021-04-13 (T+25.7d) Image below (2021-04-13.105) was taken 25.7 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 |
| Images of Nova Cas 2021 on Novae Page >> |
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| IC 863 with SN 2021foa (Virgo) SN 2021foa (Type: IIn) discovered 2021/03/15.450 UT by ASAS-SN Alias: ASASSN-21dg Discovery Magnitude 15.9 (g-Sloan Filter) vs Prior Non-Detection Limiting Magnitude 17.9 ( Rochester Supernova site | Discovery Image | TNS 2021foa ) |
| IC 863 with SN 2021foa - 2021-04-13 (T+28.6d) Image below (2021-04-13.063) was taken 28.6 days after discovery of 2021foa SN is indicated by white cross-hairs. Estimated Magnitude +15.5 (Clear Filter) |
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| Annotated CCD Image (150% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-13 01:39 UT (#883124-28) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021foa (IC 863) on Supernovae 2021 Page >> |
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| IC 992 with SN2021dwg (Virgo) SN 2021dwg (Type: Ic) discovered 2021/02/27.420 UT by ZTF Alias: ZTF21aannoix Magnitude +18.44 at discovery (Rochester Supernova site | TNS SN 2021dwg | ZTF21aannoix Notes) [ Supernovae 2021 ] |
| IC 992 with SN 2021dwg - 2021-04-13 (T+44.7d) Image below (2021-04-13.078) was taken 44.7 days after discovery of 2021dwg Position of SN (faint) is shown by white cross-hairs Estimated Magnitude +18.4 (Clear Filter) |
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| Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-13 02:01 UT (#883133-37) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021dwg (IC 992) on Supernovae 2021 Page >> |
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| M61 with SN 2020jfo (Virgo) Follow-Up Images SN 2020jfo (Type II) discovered 2020/05/06.203 by Zwicky Transient Facility (ZTF)) Discovery Magnitude 16.01 (r-ZTF Filter) vs Prior Non-Detection Limiting Magnitude 19.69 (Rochester Supernova site | Nico Montigiani and Massimiliano Mannucci image | SN 2020jfo images sub page | ( TNS 2021ilb ) |
| M61 - Spiral Galaxy |
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| Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-12 23:23 UT (#883067-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| CCD Image (100% size, square root scale, cropped) Image details as above |
| M61 with SN 2020jfo - 2021-04-12 (T+341.8d) Image below (2021-04-12.967) was taken 341.8 days after discovery of SN 2020jfo SN is no longer visible |
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| Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2020-11-28 04:58 UT (#835292-96) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| M61 with SN2020jfo - Earlier Image, 2020-05-13 (T+7.8d) Image below (2020-05-13.992) was taken 7.8 days after discovery of SN 2020jfo SN is shown by white cross hairs. Measured SN magnitude +14.4 |
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| Annotated CCD Image (100% size, square root scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, C Filter 2020-05-13 23:49 UT (#782012-14) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2020jfo (M61) on Supernovae 2020 Page >> |
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| M61 with AT2021ilb (Virgo) AT2021ilb (Type: unconf) discovered 2021-04-05.815 UT by Lorenzo Siciliano Discovery Magnitude 16.0 (Clear Filter) ( TNS 2021ilb ) |
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| Annotated CCD Image (50% size, square root scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-12 23:23 UT (#883067-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| M61 with AT2021ilb (Attempt) - 2021-04-12 (T+7.2d) Image below (2021-04-12.967) was taken 7.2 days after discovery of 2021ilb Position of reported transient (not visible) is indicated by white cross-hairs |
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| Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-12 23:23 UT (#883067-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2021ilb (in M61) on Supernovae 2020 Page >> |
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| MCG +6-30-84 / PGC 48870 with SN 2021K (Canes Venatici) MCG +6-30-84 / Alias SN 2021K (Type: Ia) discovered 2021/01/01.490 UT by ZTF Discovery Magnitude 15.71 Alias: ZTF21aaabvjk, Gaia21acj Confirmed SN Ia Gaia, 2021-01-04 03:38:42, Mag 15.42 Gaia, 2021-01-27 03:33:29, Mag 15.86 Gaia, 2021-05-03 12:37:25, Mag 18.30 Gaia, 2021-05-16 06:43:09, Mag 18.49 Gaia, 2021-05-16 08:29:43, Mag 18.62 Gaia, 2021-07-28 07:08:07, Mag 19.80 Gaia, 2021-08-21 19:10:09, Mag 20.21 (Rochester Supernova site | ZTF observations | TNS 2021K | Gaia21acj ) |
| MCG +6-30-84 with SN 2021K - 2021-04-13 (T+101.5d) Image below (2021-04-13.017) was taken 101.5 days after discovery of 2021K Position of reported SN is shown by white cross hairs. Measured magnitude +14.88 (SN + Galaxy Centre) vs Host Galaxy Catalog Mag +15.29 |
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| Annotated CCD Image (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-13 00:30 UT (#883090-92) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021K (MCG +6-30-84) on Supernovae 2021 Page >> |
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| NGC 3310 / Herschel IV-60 with SN2021gmj (Ursa Major) SN 2021gmj (Type: II) discovered 2021/03/20.320 UT by DLT40 Alias: ZTF21aaqgmjt, ATLAS21izq Discovery Magnitude 15.98 (r-Sloan Filter) ( Rochester Supernova site | Gianluca Masi image | TNS 2021gmj ) |
| NGC 3310 with SN 2021gmj - 2021-04-12 (T+23.6d) Image below (2021-04-12.875) was taken 23.6 days after discovery of 2021gmj Position of SN (faint) is indicated by white cross-hairs |
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| CCD Image (100% size, log scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-12 21:08 UT (#883005-08) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021gmj (NGC 3310) on Supernovae 2021 Page >> |
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NGC 3384 (Leo)
Image quality badly affected by light artefact ( IR light leakage into Camera from led lights on Observatory WebCam) |
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Annotated CCD Image (50% size, log scale) |
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Annotated CCD Image (100% size, log scale, cropped) |
| NGC 3384 - Earlier Image (2010) |
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CCD Image (cropped) |
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| NGC 4165 with SN2021gno (Virgo) SN 2021gno (Type: II) discovered 2021/03/20.235 UT by ZTF Alias: ZTF21aaqhhfu ( Rochester Supernova site | Claudio Balcon image | Giancarlo Cortini image ) |
| NGC 4165 with SN 2021gno - 2021-04-12 (T+23.7d) Image below (2021-04-12.888) was taken 23.7 days after discovery of 2021gno SN is shown by white cross hairs. Measured Magnitude +17.28 |
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| Annotated CCD Image (125% size, square root scale, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-12 21:27 UT (#883012-15) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| NGC 4165 with SN 2021gno - Wider View Showing 2 satellites crossing image in 12 minutes (total exposure) |
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| Annotated CCD Image (50% size, square root scale) Image details as above |
| Images of SN 2021gno (NGC 4165) on Supernovae 2021 Page >> |
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| NGC 4227 with SN2021biz (Canes Venatici) SN 2021biz (Type: Ia) discovered 2021/01/29.543 UT by ATLAS Alias: ATLAS21dfz (Rochester Supernova site | Gianluca Masi image | Jean-Claude Merlin image ) |
| NGC 4227 with SN 2021biz - 2021-04-12 (T+73.4d) Image below (2021-04-12.913) was taken 73.4 days after discovery of 2021biz SN shown by white cross hairs. Measured magnitude ? |
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| Annotated CCD Image (125% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-12 22:04 UT (#883025-29) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021biz (NGC 4227) on Supernovae 2021 Page >> |
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| NGC 4281 / Herschel II-573 (Virgo) NGC 4281 (catalog mag +11.4) with adjacent galaxies : NGC 4273 (catalog mag 11.7), NGC 4277 (catalog mag +15.0), NGC 4270 (catalog mag 13.1) |
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| Annotated CCD Image (50% size, log scale) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-12 23:00 UT (#883059-63) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| NGC 4281 - Detail |
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| CCD Image (100% size, log scale, cropped) Image details as above |
| NGC 4281 - Earlier Images (2020) |
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| CCD Image (100% size, log scale, cropped) 180s exposure (single frame), 3x3 binning, C Filter 2020-04-21 22:38 UT (#771048) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| NGC 5018 with SN2021fxy (Virgo) SN 2021fxy (Type: Ia) discovered 2021/03/17.725 UT by Koichi Itagaki Discovery Magnitude 16.9 (Clear Filter) vs Prior Non-Detection in DSS Image ( Rochester Supernova site | Discovery Image | Paolo Campaner image ) ( TNS 2021fxy ) |
| NGC 5018 with SN 2021fxy - 2021-04-12 (T+26.3d) Image below (2021-04-12.983) was taken 26.3 days after discovery of 2021fxy SN is indicated by white cross-hairs. Measured magnitude + 14.07 (Clear Filter) |
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| Annotated CCD Image (100% size, square root scale, cropped) 5 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-12 23:45 UT (#883075-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2021fxy (NGC 5018) on Supernovae 2021 Page >> |
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| UGC 10310 (Hercules) Alias: ARP 2 , PGC 57678 [ ARP Galaxies ] |
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| Annotated CCD Image (50% size, square root scale) 7 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-13 01:14 UT (#883114-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| UGC 10310 - Detail |
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| Annotated CCD Image (125% size, square root scale, cropped) 7 x 180s exposure (average combine), 3x3 binning, C Filter 2021-04-13 01:14 UT (#883114-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Annotated negative CCD Image (125% size, square root scale, cropped) Image details as above |
| UGC 10310 - Earlier Image (Mar 2021) |
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| Annotated CCD Image (125% size, square root scale, cropped) 3 x 180s exposure (average combine), 3x3 binning, C Filter 2021-03-14 03:28 UT (#869179-81) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| UGC 10310 - Earlier Image (Feb 2019) Bright star on right hand side of image is GSC 3492:121 (+10.6 mag) |
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| CCD Image (100% size, cropped) 4 x 180s exposure (average combine), 3x3 binning, C Filter 2019-02-06 06:21 UT (#658004-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| This Web Page: | CCD Images - Session 883 (2021-04-12) |
| Last Updated : | 2024-06-10 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
