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Images - Session 1387 (2025-12-19)
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3I/ATLAS - 2025-12-20 (passing through Leo) Sun Distance 2.31 AU Earth Distance 1.80 AU (269.0 million km) Alias: C/2025 N1 (ATLAS) https://theskylive.com/c2025n1-info |
3I/ATLAS - 2025-12-20 Detail
Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -174.8 arcsec/hr, Dec 59.3 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale)
60s exposure (single frame), 3x3 binning, Clear Filter 2025-12-20 04:55 UT (#1387298) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (100% size, log scale, cropped)
14 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-12-20 05:04 UT (#1387298-312) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of Comet_3I_ATLAS on Comets 2025 Page >> | ||
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24P/Schaumasse - 2025-12-20 (passing through Leo) Sun Distance 1.21 AU Earth Distance 0.61 AU (91.0 million km) |
24P/Schaumasse - 2025-12-20 Detail
Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 176.2 arcsec/hr, Dec -26.6 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale)
2 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-12-20 03:54 UT (#1387270-71) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (125% size, square root scale, cropped)
8 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-12-20 03:58 UT (#1387270-77) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of Comet_24P_Schaumasse on Comets 2025 Page >> | ||
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29P/Schwassmann-Wachmann - 2025-12-20 (passing through Leo) Sun Distance 6.30 AU Earth Distance 6.17 AU (923.6 million km) |
29P/Schwassmann-Wachmann - 2025-12-20 Detail
Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 5.7 arcsec/hr, Dec -6.2 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale)
8 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-12-20 04:18 UT (#1387280-88) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (125% size, square root scale, cropped)
8 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-12-20 04:18 UT (#1387280-88) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of Comet_29P_Schwassmann-Wachmann on Comets 2025 Page >> | ||
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198P/ODAS - 2025-12-19 (passing through Gemini) Sun Distance 2.08 AU Earth Distance 1.11 AU (166.7 million km) Expected position of comet (not visible) is indicated by white circle |
198P/ODAS - 2025-12-19 Detail
Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -24.0 arcsec/hr, Dec 3.0 arcsec/hr) Expected position of comet (not visible) is indicated by white cross-hairs |
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Annotated CCD Image (50% size, square root scale)
3 x 120s exposure (average combine), 3x3 binning, Clear Filter 2025-12-19 20:38 UT (#1387071-74) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (125% size, square root scale, cropped)
Image details as left |
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| Images of Comet_198P_ODAS on Comets 2025 Page >> | ||
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240P/NEAT - 2025-12-19 (passing through Aries) Sun Distance 2.12 AU Earth Distance 1.25 AU (186.8 million km) |
240P/NEAT - 2025-12-19 Detail
Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -20.5 arcsec/hr, Dec 39.2 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale)
2 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-12-19 21:17 UT (#1387098-99) 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)
9 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-12-19 21:22 UT (#1387098-106) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of Comet_240P_NEAT on Comets 2025 Page >> | ||
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C/2025 K1 (ATLAS) - 2025-12-19 (passing through Andromeda) Sun Distance 1.64 AU Earth Distance 0.93 AU (138.5 million km) |
C/2025 K1 (ATLAS) - 2025-12-19 Detail
Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -31.2 arcsec/hr, Dec -124.0 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale)
90s exposure (single frame), 3x3 binning, Clear Filter 2025-12-19 21:51 UT (#1387120) 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)
4 x 90s exposure (average combine), 3x3 binning, Clear Filter 2025-12-19 21:49 UT (#1387116-20) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of C2025_K1_ATLAS on Comets 2025 Page >> | ||
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C/2025 Q3 (ATLAS) - 2025-12-19 (passing through Cetus) Sun Distance 2.26 AU Earth Distance 1.57 AU (234.5 million km) |
C/2025 Q3 (ATLAS) - 2025-12-19 Detail
Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -39.3 arcsec/hr, Dec -86.9 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale)
120s exposure (single frame), 3x3 binning, Clear Filter 2025-12-19 19:35 UT (#1387059) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
Annotated CCD Image (125% size, square root scale, cropped)
5 x 120s exposure (average combine), 3x3 binning, Clear Filter 2025-12-19 19:36 UT (#1387057-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of C2025_Q3_ATLAS on Comets 2025 Page >> | ||
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AT 2022qyh (Virgo)
AT 2022qyh (Type: CV) discovered 2022-08-06.749 UT by Gaia Alias: Gaia22dgv using Gaia Spacecraft Telescope |
| Discovery Magnitude 15.46 (G-Gaia Filter) |
| ( TNS 2022qyh | Gaia22dgv ) |
| AT 2022qyh - 2025-12-20 (T+1231.5d) |
| Image below (2025-12-20.266) was taken 1231.5 days after discovery of 2022qyh |
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Position of earlier transient (not visible ) is shown by white cross-hairs Non-Detection Limiting Magnitude +18.7 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2025-12-20 06:25 UT (#1387351-54) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2022qyh on Transients 2022 Page >> |
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AT 2025adhw (Cetus)
AT 2025adhw (Type: Afterglow) discovered 2025-11-13.794 UT by MASTER Alias: MASTER OT J031644.26+071022.6, GRB 251113A |
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Discovery Magnitude 15.60 (Other Filter) vs Prior Non-Detection Limiting Magnitude 19.90 (Other Filter) |
| ( TNS 2025adhw ) |
| AT 2025adhw - 2025-12-20 (T+36.2d) |
| Image below (2025-12-20.041) was taken 36.2 days after discovery of 2025adhw |
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Position of earlier transient (faint but distinct) is shown by white cross-hairs Measured Magnitude +16.42 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-20 01:06 UT (#1387199-202) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025adhw on Transients 2025 Page >> |
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AT 2025afut (Puppis)
AT 2025afut (Type: unk) discovered 2025-12-01.440 UT by ZTF Alias: ZTF25acfqnpb using Palomar 1.2m Oschin Telescope |
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Discovery Magnitude 16.88 (g-ZTF Filter) vs Prior Non-Detection Limiting Magnitude 20.96 (g-ZTF Filter) |
| ( TNS 2025afut ) |
| AT 2025afut - 2025-12-20 (T+18.7d) |
| Image below (2025-12-20.099) was taken 18.7 days after discovery of 2025afut |
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Position of reported transient (very faint) is shown by white cross-hairs Measured Magnitude +18.34 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-20 02:32 UT (#1387235-39) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025afut on Transients 2025 Page >> |
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AT 2025agqo (Camelopardalis)
AT 2025agqo (Type: CV?) discovered 2025-12-09.854 UT by XOSS Alias: KATS25X012 |
| Discovery Magnitude 16.53 (Clear Filter) |
| ( TNS 2025agqo ) |
| AT 2025agqo - 2025-12-19 (T+10.1d) |
| Image below (2025-12-19.928) was taken 10.1 days after discovery of 2025agqo |
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Position of earlier transient (faint) is shown by white cross-hairs Measured Magnitude +17.65 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-19 22:27 UT (#1387130-34) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025agqo on Transients 2025 Page >> |
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AT 2025agqu (Canis Minor)
AT 2025agqu (Type: CV?) discovered 2025-12-11.897 UT by XOSS Alias: KATS25X013 |
| Discovery Magnitude 16.47 (Clear Filter) |
| ( TNS 2025agqu ) |
| AT 2025agqu - 2025-12-19 (T+8.1d) |
| Image below (2025-12-19.983) was taken 8.1 days after discovery of 2025agqu |
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Position of earlier transient (very faiint) is shown by white cross-hairs Measured Magnitude +17.53 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-19 23:42 UT (#1387168-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025agqu on Transients 2025 Page >> |
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AT 2025agtl (Monoceros)
Alias: In WISEA J013048.97-133845.1 AT 2025agtl (Type: CV?) discovered 2025-12-11.859 UT by XOSS Alias: KATS25X014 |
| Discovery Magnitude 15.49 (Clear Filter) |
| ( TNS 2025agtl ) |
| AT 2025agtl - 2025-12-20 (T+8.2d) |
| Image below (2025-12-20.071) was taken 8.2 days after discovery of 2025agtl |
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Position of earlier transient faint) is shown by white cross-hairs Estimated Magnitude +16.6 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-20 01:49 UT (#1387213-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025agtl on Transients 2025 Page >> |
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M31 with AT 2025agmm (Andromeda)
AT 2025agmm (Type: unk) discovered 2025-12-11.775 UT by Róbert Fidrich Alias: Vend78, PNV J00421476+4117284, M31N 2025-12b |
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Discovery Magnitude 19.40 (Clear Filter) vs Prior Non-Detection Limiting Magnitude 19.50 (Clear Filter) |
| ( TNS 2025agmm ) |
| M31 with AT 2025agmm - 2025-12-19 (T+8.1d) |
| Image below (2025-12-19.840) was taken 8.1 days after discovery of 2025agmm |
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Position of reported transient (faint) is shown by white cross-hairs Measured Magnitude +16.58 (Clear Filter) |
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Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-19 20:19 UT (#1387064-68) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025agmm on Transients 2025 Page >> |
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M31 with AT 2025agwf (Andromeda)
AT 2025agwf (Type: unk) discovered 2025-12-14.746 UT by Italian Supernovae Search Project Alias: PNV J00431764+4114201, M31N 2025-12c, Vend79 |
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Discovery Magnitude 17.50 (Clear Filter) vs Prior Non-Detection Limiting Magnitude 19.80 (Clear Filter) |
| ( TNS 2025agwf ) |
| M31 with AT 2025agwf - 2025-12-19 (T+5.1d) |
| Image below (2025-12-19.867) was taken 5.1 days after discovery of 2025agwf |
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Position of earlier transient (faint) is shown by white cross-hairs Estimated Magnitude +17.8 (Clear Filter) |
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Annotated CCD Image (100% size, square root scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-19 20:52 UT (#1387078-79) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025agwf on Transients 2025 Page >> |
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M31 with AT 2025ahch (Andromeda)
AT 2025ahch (Type: unk) discovered 2025-12-16.528 UT by XOSS Alias: PSP25W, PNV J00422038+4114207, M31N 2025-12d, PNV J00422066+4114212 |
| Discovery Magnitude 17.60 (Clear Filter) |
| ( TNS 2025ahch ) |
| M31 with AT 2025ahch - 2025-12-19 (T+3.2d) |
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Cam2 Reference Image Position of AT 2025ahch (not visible in this exposure) is shown by blue circle Limits of M31 Spiral Galaxy is shown by pale blue ellipse |
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Annotated CMOS Image (16% size)
(10s exposure, 1x1 binning) 2025-12-19 17:05 UT TS 80mm APO, ZWO ASI178MC |
| M31 with AT 2025ahch - 2025-12-19 (T+3.2d) |
| Position of reported in (faint) is shown by white cross-hairs |
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Annotated CCD Image (70% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-19 17:15 UT (#1387005-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| M31 with AT 2025ahch - 2025-12-19 (T+3.2d) |
| Image below (2025-12-19.713) was taken 3.2 days after discovery of 2025ahch |
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Position of earlier transient (faint) is shown by white cross-hairs Measured Magnitude +15.79 (Clear Filter) |
| Transient object is offset from its reported coordinates in TNS by 4.5 arc secs |
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Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-19 17:15 UT (#1387005-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025ahch on Transients 2025 Page >> |
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NGC 1325 (Eridanus)
Alias: UGCA 70, PGC 12737 (catalog mag +12.3 or +11.4) Taken at 11.4°, Dec -21d 32m |
| [ UGCA Galaxies ] |
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Annotated CCD Image (50% size, square root scale)
180s exposure (single frame), 3x3 binning, Clear Filter 2025-12-19 21:33 UT (#1387111) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| NGC 1325 - Detail |
| Very poor quality image (large airmass, single frame) |
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Annotated CCD Image (125% size, square root scale, cropped)
Image details as above |
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NGC 2207 (Canis Major)
Alias: UGCA 124 (catalog mag +11.0) |
| [ UGCA Galaxies ] |
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Annotated CCD Image (50% size, square root scale)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-20 00:23 UT (#1387186-88) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| NGC 2207 & IC 2163 - Detail |
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Annotated CCD Image (125% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-20 00:23 UT (#1387186-88) 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 |
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NGC 3023 with AT 2025addb (Sextans)
AT 2025addb (Type: unk) discovered 2025-11-10.171 UT by ATLAS using ATLAS Teide Tenerife Telescope Alias: ATLAS25ofa |
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Discovery Magnitude 17.59 (wide-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 16.55 (orange-ATLAS Filter) |
| ( TNS 2025addb ) |
| NGC 3023 with AT 2025addb - 2025-12-20 (T+40.0d) |
| Image below (2025-12-20.191) was taken 40.0 days after discovery of 2025addb |
| Position of earlier transient (not separately distinguishable) is shown by white cross-hairs |
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Annotated CCD Image (125% size, square root scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-20 04:42 UT (#1387292-95) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025addb on Transients 2025 Page >> |
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UGCA 3 (Cetus)
Alias: PGC 721 (catalog mag +15.4) Taken at Altitude: 14.3°, Airmass: 4.0 |
| [ UGCA Galaxies ] |
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Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-19 19:07 UT (#1387049-53) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| UGCA 3 - Detail |
| Poor quality image (poor sky transparency/ large airmass) |
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Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-19 19:07 UT (#1387049-53) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| UGCA 3 - Earlier Image (Sept 2023) |
| Position of UGCA 3 is shown by white circle |
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UGCA 3 is very faint in this image (possibly due to poor sky transparency / high airmass) Target taken at Altitude: 14.7°, Airmass: 3.92 Limiting star magnitude is +17.5 but galaxy has very low surface brightness |
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Annotated CCD Image (100% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-09-28 23:51 UT (#1368125-29) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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UGCA 5 (Cetus)
Alias: PGC 1218 (catalog mag +15.2) Taken at Altitude: 13.7°, Airmass: 4.20 |
| [ UGCA Galaxies ] |
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Annotated CCD Image (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-19 18:02 UT (#1387021-25) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| UGCA 5 - Detail |
| Poor quality image (due to high airmass / poor sky transparency) |
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Annotated CCD Image (125% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-19 18:02 UT (#1387021-25) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| UGCA 5 - Earlier Image (Sept 2025) |
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Position of UGCA 5 (not visible) is shown by white circle Poor quality image (poor sky transparency, uneven sky background) Target taken at Altitude: 12.9°, Airmass: 4.434 |
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Annotated CCD Image (100% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-09-29 00:58 UT (#1368145-49) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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UGCA 10 (Cetus)
Alias: NGC 244, PGC 2675 (catalog mag +13.8) |
| [ UGCA Galaxies ] |
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Annotated CCD Image (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-19 17:40 UT (#1387014-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| UGCA 10 - Detail |
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Annotated CCD Image (125% size, square root scale, cropped)
Image details as above |
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UGCA 257 (Corvus)
Alias: PGC 37681 (catalog mag +14.3) Dec -22d 26m |
| [ UGCA Galaxies ] |
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Annotated CCD Image (50% size, square root scale)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-20 06:43 UT (#1387358-61) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| UGCA 257 - Detail |
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Annotated CCD Image (100% size, square root scale, cropped)
Image details as above |
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UGCA 286 (Virgo)
Alias: PGC 41725 (catalog mag +15.2) |
| [ UGCA Galaxies ] |
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Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-20 05:25 UT (#1387315-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| UGCA 286 - Detail |
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Annotated CCD Image (125% size, square root scale, cropped)
Image details as above |
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Annotated negative CCD Image (125% size, square root scale, cropped)
Image details as above |
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UGC 2885 with SN 2025aant (Perseus)
SN 2025aant (Type: II) discovered 2025-10-15.468 UT by ATLAS using ATLAS Mauna Loa Telescope Alias: ATLAS25msz |
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Discovery Magnitude 18.42 (cyan-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 20.00 (wide-ATLAS Filter) |
| ( TNS 2025aant ) |
| UGC 2885 with SN 2025aant - 2025-12-19 (T+65.4d) |
| Image below (2025-12-19.915) was taken 65.4 days after discovery of 2025aant |
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Position of earlier transient (very faint) is shown by white cross-hairs Estimated Magnitude +18.7 (Clear Filter) |
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Annotated CCD Image (125% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-19 22:06 UT (#1387123-27) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2025aant (in UGC 2885 on Supernovae 2025 Page >> |
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UGC 4316 with SN 2025advo (Hydra)
SN 2025advo (Type: Ic) discovered 2025-11-17.144 UT by ATLAS using ATLAS Teide Tenerife Telescope Alias: ATLAS25ogq, ZTF25acglosh, GOTO25kkf |
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Discovery Magnitude 16.90 (wide-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 19.76 (wide-ATLAS Filter) |
| ( TNS 2025advo ) |
| UGC 4316 with SN 2025advo - 2025-12-20 (T+32.9d) |
| Image below (2025-12-20.024) was taken 32.9 days after discovery of 2025advo |
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Position of earlier transient (distinct) is shown by white cross-hairs Measured Magnitude +15.28 (Clear Filter) |
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Annotated CCD Image (125% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-20 00:43 UT (#1387191-95) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2025advo (in UGC 4316 on Supernovae 2025 Page >> |
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UGC 5381 with AT 2025ahep (Leo)
AT 2025ahep (Type: unk) discovered 2025-12-17.443 UT by ATLAS using Palomar 1.2m Oschin Telescope Alias: ZTF25acinfdh |
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Discovery Magnitude 17.51 (g-ZTF Filter) vs Prior Non-Detection Limiting Magnitude 21.01 (g-ZTF Filter) |
| ( TNS 2025ahep ) |
| UGC 5381 - Spiral Galaxy with AT 2025ahep (T+2.6d) |
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Annotated CCD Image (50% size, square root scale)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-20 01:26 UT (#1387206-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| UGC 5381 with AT 2025ahep - 2025-12-20 (T+2.6d) |
| Image below (2025-12-20.055) was taken 2.6 days after discovery of 2025ahep |
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Position of reported transient (faint) is shown by white cross-hairs Estimated Magnitude +17.2 (Clear Filter) (SN is labelled here as AT 2025ahep before its subsequent confirmation as a Type II Supernova) |
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Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-12-20 01:26 UT (#1387206-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2025ahep (in UGC 5381) on Supernova 2025 Page >> |
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WLM Galaxy (Cetus)
Alias: Wolf-Lundmark-Melotte Galaxy, UGCA 444, PGC 143, Cetus Dwarf (cf Ast.Now, Sep 2021, p 49) |
| [ Local Group Galaxies ] [ UGCA Galaxies ] |
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Annotated CCD Image (35% size, square root scale)
7 x 180s exposure (average combine), 2x2 binning, Clear Filter 2025-12-19 18:43 UT (#1387039-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| WLM Galaxy - Detail |
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Annotated negative CCD Image (35% size, square root scale)
7 x 180s exposure (average combine), 2x2 binning, Clear Filter 2025-12-19 18:43 UT (#1387039-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| This Web Page: | Images - Session 1387 (2025-12-19) |
| Last Updated : | 2026-01-01 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
