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Images - Session 1396 (2026-02-27)
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3I/ATLAS - 2026-02-28 (passing through Gemini) Sun Distance 4.55 AU Earth Distance 3.90 AU (583.7 million km) Alias: C/2025 N1 (ATLAS) https://theskylive.com/c2025n1-info |
3I/ATLAS - 2026-02-28 Detail
Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -34.9 arcsec/hr, Dec 3.9 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale)
4 x 90s exposure (average combine), 3x3 binning, Clear Filter 2026-02-28 00:49 UT (#1396098-103) 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)
4 x 90s exposure (average combine), 3x3 binning, Clear Filter 2026-02-28 00:49 UT (#1396098-103) 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 2026 Page >> | ||
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29P/Schwassmann-Wachmann - 2026-02-27 (passing through Leo) Sun Distance 6.31 AU Earth Distance 5.35 AU (800.1 million km) |
29P/Schwassmann-Wachmann - 2026-02-27 Detail
Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra -15.9 arcsec/hr, Dec 4.5 arcsec/hr) Poor quality image (poor sky transparency, single frame) |
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Annotated CCD Image (50% size, square root scale)
90s exposure (single frame), 3x3 binning, Clear Filter 2026-02-27 22:27 UT (#1396059) 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_29P_Schwassmann-Wachmann on Comets 2026 Page >> | ||
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C/2022 E2 (ATLAS) - 2026-02-27 (passing through Pegasus) Sun Distance 5.84 AU Earth Distance 6.60 AU (987.6 million km) |
C/2022 E2 (ATLAS) - 2026-02-27 Detail
Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 14.5 arcsec/hr, Dec -1.2 arcsec/hr) Position of comet (very faint) is indicated by white cross-hairs |
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Annotated CCD Image (50% size, square root scale)
3 x 90s exposure (average combine), 3x3 binning, Clear Filter 2026-02-27 19:23 UT (#1396005-07) 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)
3 x 90s exposure (average combine), 3x3 binning, Clear Filter 2026-02-27 19:23 UT (#1396005-07) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of C2022_E2_ATLAS on Comets 2026 Page >> | ||
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C/2024 J3 (ATLAS) - 2026-02-28 (passing through Aquila) Sun Distance 4.51 AU Earth Distance 5.18 AU (775.6 million km) |
C/2024 J3 (ATLAS) - 2026-02-28 Detail
Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 24.7 arcsec/hr, Dec 28.9 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale)
2 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-02-28 05:53 UT (#1396299-300) 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)
7 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-02-28 05:54 UT (#1396296-303) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of C2024_J3_ATLAS on Comets 2026 Page >> | ||
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C/2026 B2 (Sun-Gao) - 2026-02-28 (passing through Pegasus) Sun Distance 1.47 AU Earth Distance 2.14 AU (319.7 million km) |
C/2026 B2 (Sun-Gao) - 2026-02-28 Detail
Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 126.6 arcsec/hr, Dec 62.9 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale)
2 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-02-28 05:33 UT (#1396286-87) 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)
6 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-02-28 05:36 UT (#1396286-92) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of C2026_B2_Sun-Gao on Comets 2026 Page >> | ||
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| Nova Ser 2025 (Nova) (Serpens) |
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Nova Ser 2025 - T+ 225.3d
Image (2026-02-28 04:58:00) taken 225.3 days after discovery of Nova Position of earlier transient (faint) is shown by white cross-hairs Measured Magnitude +16.85 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-02-28 05:01 UT (#1396262-66) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT N Ser 2025 on Transients N Se Page >> |
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AT 2023ude (Ophiuchus)
AT 2023ude (Type: CV) discovered 2023-10-05.587 UT by XOSS Alias: KATS23T002, TCP J17353485+0646368 Discovery Magnitude 16.12 (Clear- Filter) vs Prior Non-Detection Limiting Magnitude ( Filter) UG candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/kats23t002.html ( TNS 2023ude ) |
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AT 2023ude - 2026-02-28 (T+876.6d)
Image below (2026-02-28.142) was taken 876.6 days after discovery of 2023ude Position of earlier transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +18.4 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-02-28 03:28 UT (#1396192-96) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2023ude on Transients 2023 Page >> |
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AT 2025sdf (Ophiuchus)
AT 2025sdf (Type: CV) discovered 2025-07-25.520 UT by Tadashi Kojima Alias: TCP J16271026-1030020 Discovery Magnitude 13.8 (Clear- Filter) vs Prior Non-Detection Limiting Magnitude ( Filter) Canon EOS 6D digital camera + 300mm f/2.8 lens. ( TNS 2025sdf ) |
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AT 2025sdf - 2026-02-28 (T+217.7d)
Image below (2026-02-28.215) was taken 217.7 days after discovery of 2025sdf Position of earlier transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +18.8 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-02-28 05:12 UT (#1396270-74) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025sdf on Transients 2025 Page >> |
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AT 2025afuu (Draco)
AT 2025afuu (Type: CV?) discovered 2025-12-04.490 UT by Ziyang Mai Discovery Magnitude 15.37 (Clear- Filter) vs Prior Non-Detection Limiting Magnitude ( Filter) Possible CV in Dra. ( TNS 2025afuu ) |
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AT 2025afuu - 2026-02-28 (T+85.6d)
Image below (2026-02-28.128) was taken 85.6 days after discovery of 2025afuu Position of earlier transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +19.8 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-02-28 03:13 UT (#1396185-89) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025afuu on Transients 2025 Page >> |
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AT 2026ceu (Lyra)
AT 2026ceu (Type: CV?) discovered 2026-02-05.481 UT by GEOTS Alias: GEOTS-Balaji-2026-001 Discovery Magnitude 15.2 (Clear- Filter) vs Prior Non-Detection Limiting Magnitude 18 (Clear- Filter) Discovered in Lyr using 14" f/2.0 Astrograph at Golden Ears Observatory (MPC code U55). CV candidate with a 1.0 mag increase compared to the PS1 reference magnitude ( TNS 2026ceu ) |
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AT 2026ceu - 2026-02-28 (T+22.7d)
Image below (2026-02-28.158) was taken 22.7 days after discovery of 2026ceu Position of earlier transient (very faint) is shown by white cross-hairs Measured Magnitude +14.7 (Clear Filter) - very uncetain photometry. Bright glare from Vega (mag 0.0) |
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Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-02-28 03:57 UT (#1396213-17) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2026ceu on Transients 2026 Page >> |
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AT 2026ciw (Canes Venatici)
AT 2026ciw (Type: unk) discovered 2026-02-08.232 UT by MASTER Alias: MASTER OT J133855.62+334806.9, GOTO26aob, ZTF26aafswob Discovery Magnitude 15.2 (Other- Filter) vs Prior Non-Detection Limiting Magnitude 18.7 (Other- Filter) OT,no outbursts in MASTER history, nothing in VIZIER = ampl>7.8mag *PanSTARRs 24m limit in history) ( TNS 2026ciw ) |
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AT 2026ciw - 2026-02-27 (T+19.7d)
Image below (2026-02-27.947) was taken 19.7 days after discovery of 2026ciw Position of earlier transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +19.0 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-02-27 22:51 UT (#1396067-70) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2026ciw on Transients 2026 Page >> |
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AT 2026cpv (Cygnus)
AT 2026cpv (Type: HPM) discovered 2026-02-09.508 UT by MASTER Alias: MASTER OT J192256.61+460501.0 Discovery Magnitude 15.8 (Other- Filter) vs Prior Non-Detection Limiting Magnitude 19.7 (Other- Filter) star with proper motion and with 0.3mag variability per 1 hour ( TNS 2026cpv ) |
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AT 2026cpv - 2026-02-28 (T+18.5d)
Image below (2026-02-28.042) was taken 18.5 days after discovery of 2026cpv Position of earlier transient (faint) is shown by white cross-hairs Measured Magnitude +15.65 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-02-28 01:05 UT (#1396107-09) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2026cpv on Transients 2026 Page >> |
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AT 2026cqc (Cygnus)
AT 2026cqc (Type: CV) discovered 2026-02-09.526 UT by MASTER Alias: MASTER OT J191527.78+542418.1 Discovery Magnitude 16.4 (Other- Filter) vs Prior Non-Detection Limiting Magnitude 17.8 (Other- Filter) variable star, no OT at 2023-07-03 06:33:19 with mlim=17.8 ( TNS 2026cqc ) |
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AT 2026cqc - 2026-02-28 (T+18.5d)
Image below (2026-02-28.055) was taken 18.5 days after discovery of 2026cqc Position of earlier transient (faint) is shown by white cross-hairs Estimated Magnitude +16.4 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-02-28 01:22 UT (#1396112-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2026cqc on Transients 2026 Page >> |
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CGCG 073-009 with SN 2024kbl (Virgo)
SN 2024kbl (Type: Ia) discovered 2024-06-01.346 UT by ASAS-SN Alias: ASASSN-24dm Discovery Magnitude 16.8 (g-Sloan Filter) vs Prior Non-Detection Limiting Magnitude 17 (g-Sloan Filter) Present in multiple epochs, nuclear source, so could also be a TDE ( TNS 2024kbl ) |
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CGCG 073-009 with SN 2024kbl - 2026-02-28 (T+636.7d)
Image below (2026-02-28.015) was taken 636.7 days after discovery of 2024kbl Position of earlier supernova (likely faded) is shown by white cross-hairs Measured Magnitude, nucleus +14.48 (Clear Filter) |
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Annotated CCD Image (150% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-02-28 00:30 UT (#1396091-95) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2024kbl (in CGCG 073-009) on Supernovae 2024 Page >> |
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CGCG 137-080 with SN 2025zpw (Hercules)
SN 2025zpw (Type: Ia) discovered 2025-10-05.215 UT by ATLAS Alias: ATLAS25mkt Discovery Magnitude 16.922 (orange-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 18.88 (orange-ATLAS Filter) ( TNS 2025zpw ) |
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CGCG 137-080 with SN 2025zpw - 2026-02-28 (T+146.0d)
Image below (2026-02-28.185) was taken 146.0 days after discovery of 2025zpw Position of earlier supernova (not separately distinguishable) is shown by white cross-hairs Measured Magnitude nucleous+SN +14.62 (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 2026-02-28 04:36 UT (#1396237-41) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2025zpw (in CGCG 137-080) on Supernovae 2025 Page >> |
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M31 with AT 2025ahzx (Andromeda)
AT 2025ahzx (Type: EGN) discovered 2025-12-22.874 UT by Flavio Castellani Alias: OMB-PNV29, GOTO25mmc Discovery Magnitude 18.5 (Clear- Filter) vs Prior Non-Detection Limiting Magnitude 19.5 (Clear- Filter) At 0,76" from transient, a Red Supergiant Candidate with a R Magn of 20.662 is reristered on simbad database. (LGGS J004228.48+411825.6). Even if the 2 mag difference leads us to believe that the transient is not the cataloged object, an outburst cannot be excluded. ( TNS 2025ahzx ) |
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M31 with AT 2025ahzx - 2026-02-27 (T+67.0d)
Image below (2026-02-27.901) was taken 67.0 days after discovery of 2025ahzx |
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Annotated CCD Image (70% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-02-27 21:46 UT (#1396040-44) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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M31 with AT 2025ahzx - 2026-02-27 (T+67.0d)
Image below (2026-02-27.901) was taken 67.0 days after discovery of 2025ahzx Position of earlier transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +16.7 (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 2026-02-27 21:46 UT (#1396040-44) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025ahzx on Transients 2025 Page >> |
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SN 2022vek (Hercules)
Alias: In WISEA J162108.72+505216.5 SN 2022vek (Type: Ia) discovered 2022-09-20.145 UT by ZTF Alias: ZTF22abfvsbt Discovery Magnitude 17.97 (g-ZTF Filter) vs Prior Non-Detection Limiting Magnitude 19.29 (g-ZTF Filter) ( TNS 2022vek ) |
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SN 2022vek - 2026-02-27 (T+1256.8d)
Image below (2026-02-27.917) was taken 1256.8 days after discovery of 2022vek Position of earlier supernova (not visible, likely faded) is shown by white cross-hairs Measured Magnitude, Nucleus +14.67 (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 2026-02-27 22:09 UT (#1396047-51) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2022vek on Supernovae 2022 Page >> |
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UGC 3028 with SN 2026gm (Perseus)
SN 2026gm (Type: Ia) discovered 2026-01-08.798 UT by XOSS Alias: PSP26B, GOTO26cp, ATLAS26aff, MASTER OT J042437.37+335144.2 Discovery Magnitude 18.08 (Clear- Filter) vs Prior Non-Detection Limiting Magnitude ( Filter) SN candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/psp26b.html ( TNS 2026gm ) |
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UGC 3028 with SN 2026gm - 2026-02-27 (T+50.0d)
Image below (2026-02-27.817) was taken 50.0 days after discovery of 2026gm Position of earlier supernova (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +15.9 (Clear Filter) Poor quality image (poor sky transparency, single frame) |
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Annotated CCD Image (150% size, square root scale, cropped)
180s exposure (single frame), 3x3 binning, Clear Filter 2026-02-27 19:36 UT (#1396016) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2026gm (in UGC 3028) on Supernovae 2026 Page >> |
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UGC 9911 with SN 2023abq (Bootes)
SN 2023abq (Type: IIP) discovered 2023-01-19.977 UT by XOSS Alias: KATS23B002, ZTF23aaavxye Discovery Magnitude 17.644 (Clear- Filter) vs Prior Non-Detection Limiting Magnitude ( Filter) SN candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/kats23b002.html ( TNS 2023abq ) |
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UGC 9911 - Spiral Galaxy
Alias: PGC 55476 (catalog mag +17.0) with adjacent galaxy PGC 214389 |
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Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-02-28 01:38 UT (#1396119-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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UGC 9911 with SN 2023abq - 2026-02-28 (T+1135.1d)
Image below (2026-02-28.062) was taken 1135.1 days after discovery of 2023abq Position of earlier supernova (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +19.4 (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 2026-02-28 01:38 UT (#1396119-23) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2023abq (in UGC 9911) on Supernovae 2023 Page >> |
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| This Web Page: | Images - Session 1396 (2026-02-27) |
| Last Updated : | 2026-03-01 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
