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Images - Session 1399 (2026-03-03)
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24P/Schaumasse - Comet 240P/NEAT - Comet C/2022 N2 (PANSTARRS) - Comet C/2024 E1 (Wierzchos) - Comet C/2026 B2 (Sun-Gao) - Comet AT 2022csa - CV Type Transient AT 2022vdr - CV Type Transient AT 2023sze - CV Type Transient (non-detection) AT 2023twq - Transient AT 2024emc - CV Type Transient AT 2025abul - Type CV? Transient (non-detection) AT 2025acrt - Transient (non-detection) AT 2025adxd - Type CV? Transient (non-detection) AT 2025afsx - Transient (non-detection) AT 2026ceu - Type CV? Transient AT 2026coj - CV Type Transient AT 2026cqc - CV Type Transient LEDA 68428 - Galaxy with Type Ia Supernova 2025acqv M31N 2026-02a - Extragalactic Nova in M31 (non-detection) - 43P/Wolf-Harrington attempt failed (due proxmity to moon/bright sky) Variable Stars (photometric monitoring) - RX And, TT Ari, YZ Cnc, T CrB, RZ LMi, BL Lac, RR Leo, CY Lyr, CY Lyr, CN Ori, FU Ori, ER UMa Nearby Stars (astrometric monitoring) - EV Lac (GJ 873), Teegarden's Star
- All-Night Session (10.6 hr) - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 3°C (min) - CCD Temperature: -20°C - Notes from 2026-03-03 >> - -
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24P/Schaumasse - 2026-03-04 (passing through Serpens) Sun Distance 1.38 AU Earth Distance 0.65 AU (96.9 million km) |
24P/Schaumasse - 2026-03-04 Detail
Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 20.9 arcsec/hr, Dec -8.5 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale)
3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-03-04 00:36 UT (#1399171-73) 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 2026-03-04 00:39 UT (#1399171-78) 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 2026 Page >> | ||
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240P/NEAT - 2026-03-03 (passing through Taurus) Sun Distance 2.20 AU Earth Distance 2.08 AU (311.2 million km) |
240P/NEAT - 2026-03-03 Detail
Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 52.8 arcsec/hr, Dec 24.8 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale)
3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-03-03 21:01 UT (#1399065-67) 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)
9 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-03-03 21:05 UT (#1399065-73) 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 2026 Page >> | ||
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C/2022 N2 (PANSTARRS) - 2026-03-03 (passing through Taurus) Sun Distance 4.26 AU Earth Distance 4.38 AU (655.6 million km) |
C/2022 N2 (PANSTARRS) - 2026-03-03 Detail
Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 30.5 arcsec/hr, Dec 3.7 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale)
3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-03-03 21:36 UT (#1399092-94) 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 2026-03-03 21:38 UT (#1399092-97) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of C2022_N2_PANSTARRS on Comets 2026 Page >> | ||
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C/2024 E1 (Wierzchos) - 2026-03-03 (passing through Eridanus) Sun Distance 1.06 AU Earth Distance 1.13 AU (169.2 million km) |
C/2024 E1 (Wierzchos) - 2026-03-03 Detail
Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 191.1 arcsec/hr, Dec 186.2 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale)
60s exposure (single frame), 3x3 binning, Clear Filter 2026-03-03 19:12 UT (#1399006) 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 2026-03-03 19:17 UT (#1399006-12) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of C2024_E1_Wierzchos on Comets 2026 Page >> | ||
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C/2026 B2 (Sun-Gao) - 2026-03-04 (passing through Pegasus) Sun Distance 1.50 AU Earth Distance 2.17 AU (324.4 million km) Comet not visible in this image. |
C/2026 B2 (Sun-Gao) - 2026-03-04 Detail
Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 123.5 arcsec/hr, Dec 59.5 arcsec/hr) Poor quality image (moonlit sky with passsing cloud creating uneven sky background) |
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Annotated CCD Image (50% size, square root scale)
6 x 90s exposure (average combine), 3x3 binning, Clear Filter 2026-03-04 05:16 UT (#1399295-301) 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)
6 x 90s exposure (average combine), 3x3 binning, Clear Filter 2026-03-04 05:16 UT (#1399295-301) 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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AT 2022csa (Cygnus)
AT 2022csa (Type: CV) discovered 2022-02-17.214 UT by Gaia Alias: Gaia22aqt Discovery Magnitude 16.06 (G-Gaia Filter) vs Prior Non-Detection Limiting Magnitude 21.5 (G-Gaia Filter) Gaia Alerting Magnitude 16.06 vs Historic Magnitude 16.41 +/- 0.08 SD Red star rises slowly by 0.4 mag ( TNS 2022csa | Gaia22aqt ) |
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AT 2022csa - 2026-03-04 (T+1475.9d)
Image below (2026-03-04.130) was taken 1475.9 days after discovery of 2022csa Position of earlier transient faint) is shown by white cross-hairs Measured Magnitude +16.14 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
3 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-03-04 03:09 UT (#1399248-50) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2022csa on Transients 2022 Page >> |
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AT 2022vdr (Orion)
AT 2022vdr (Type: CV) discovered 2022-09-20.378 UT by MASTER Alias: MASTER OT J052749.27+064639.1 Discovery Magnitude 14.8 (Clear- Filter) vs Prior Non-Detection Limiting Magnitude 18.6 (Clear- Filter) long variable in low state ( TNS 2022vdr ) |
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AT 2022vdr - 2026-03-03 (T+1260.5d)
Image below (2026-03-03.918) was taken 1260.5 days after discovery of 2022vdr Position of earlier transient (distinct) is shown by white cross-hairs Measured Magnitude +14.32 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-03-03 22:05 UT (#1399109-13) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2022vdr on Transients 2022 Page >> |
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AT 2023sze (Aquila)
AT 2023sze (Type: CV) discovered 2023-09-18.316 UT by ATLAS Alias: ATLAS23sti Discovery Magnitude 16.753 (cyan-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 19.5 (cyan-ATLAS Filter) ( TNS 2023sze ) |
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AT 2023sze - 2026-03-04 (T+897.9d)
Image below (2026-03-04.190) was taken 897.9 days after discovery of 2023sze Position of earlier transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +17.7 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-03-04 04:38 UT (#1399280-82) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2023sze on Transients 2023 Page >> |
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AT 2023twq (Delphinus)
AT 2023twq (Type: unk) discovered 2023-09-30.538 UT by Gaia Alias: Gaia23crv Discovery Magnitude 16.56 (G-Gaia Filter) vs Prior Non-Detection Limiting Magnitude 21.5 (G-Gaia Filter) Gaia Alerting Magnitude 16.56 Apparently hostless blue transient ( TNS 2023twq | Gaia23crv ) |
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AT 2023twq - 2026-03-04 (T+885.6d)
Image below (2026-03-04.174) was taken 885.6 days after discovery of 2023twq Position of earlier transient (very faint) is shown by white cross-hairs Measured Magnitude +17.03 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-03-04 04:18 UT (#1399272-75) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2023twq on Transients 2023 Page >> |
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AT 2024emc (Aquila)
AT 2024emc (Type: CV) discovered 2024-03-14.760 UT by Gaia Alias: Gaia24aza Discovery Magnitude 14.11 (G-Gaia Filter) vs Prior Non-Detection Limiting Magnitude 21.5 (G-Gaia Filter) Gaia Alerting Magnitude 14.11 vs Historic Magnitude 14.55 +/- 0.08 SD Brightening in Gaia source ( TNS 2024emc | Gaia24aza ) |
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AT 2024emc - 2026-03-04 (T+719.4d)
Image below (2026-03-04.112) was taken 719.4 days after discovery of 2024emc Position of earlier transient (faint) is shown by white cross-hairs Estimated Magnitude +14.9 (Clear Filter) |
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Annotated CCD Image (125% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-03-04 02:45 UT (#1399234-38) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2024emc on Transients 2024 Page >> |
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AT 2025abul (Cygnus)
AT 2025abul (Type: CV?) discovered 2025-10-27.683 UT by XOSS Alias: KATS25U025, TCP J21314142+4111541 Discovery Magnitude 16.77 (Clear- Filter) vs Prior Non-Detection Limiting Magnitude ( Filter) Cataclysmic variable candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/kats25u025.html ( TNS 2025abul ) |
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AT 2025abul - 2026-03-04 (T+127.4d)
Image below (2026-03-04.059) was taken 127.4 days after discovery of 2025abul Position of earlier transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +17.4 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-03-04 01:34 UT (#1399199-203) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025abul on Transients 2025 Page >> |
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AT 2025acrt (Hydra)
AT 2025acrt (Type: unk) discovered 2025-11-07.220 UT by GOTO Alias: GOTO25jpt, ZTF25accynmt Discovery Magnitude 14.45 (L-GOTO Filter) vs Prior Non-Detection Limiting Magnitude 19.2 (L-GOTO Filter) This transient was discovered with the assistance of the GOTO Kilonova Seekers Citizen Scientists on Zooniverse. Mazzucato, Ciro Sirio Perrella ( TNS 2025acrt ) |
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AT 2025acrt - 2026-03-03 (T+116.7d)
Image below (2026-03-03.964) was taken 116.7 days after discovery of 2025acrt Position of earlier transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +17.1 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-03-03 23:11 UT (#1399134-35) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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AT 2025acrt - Earier Image, 2025-11-29 (T+22.0d)
Image below (2025-11-29.172) was taken 22.0 days after discovery of 2025acrt Position of earlier transient (very faint) is shown by white cross-hairs Measured Magnitude +17.46 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2025-11-29 04:17 UT (#1380089-93) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025acrt on Transients 2025 Page >> |
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AT 2025adxd (Cygnus)
AT 2025adxd (Type: CV?) discovered 2025-11-17.443 UT by MASTER Alias: MASTER OT J214536.14+320857.8 Discovery Magnitude 16 (Other- Filter) vs Prior Non-Detection Limiting Magnitude 17.3 (Other- Filter) UG https://vsx.aavso.org/index.php?view=detail.top&oid=2345294 ( TNS 2025adxd ) |
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AT 2025adxd - 2026-03-04 (T+106.7d)
Image below (2026-03-04.151) was taken 106.7 days after discovery of 2025adxd Position of earlier transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +17.6 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-03-04 03:46 UT (#1399260-64) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025adxd on Transients 2025 Page >> |
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AT 2025afsx (Hydra)
AT 2025afsx (Type: unk) discovered 2025-12-02.070 UT by MASTER Alias: MASTER OT J083020.05-040616.6, BGEM J083020.10-040615.5, ZTF25acgbcph Discovery Magnitude 16.8 (Other- Filter) vs Prior Non-Detection Limiting Magnitude 20 (Other- Filter) >7mag amplitude outburst ( TNS 2025afsx ) |
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AT 2025afsx - 2026-03-03 (T+91.9d)
Image below (2026-03-03.942) was taken 91.9 days after discovery of 2025afsx Position of earlier transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +17.6 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-03-03 22:42 UT (#1399124-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025afsx 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 - 2026-03-04 (T+26.6d)
Image below (2026-03-04.089) was taken 26.6 days after discovery of 2026ceu Position of earlier transient (very faint) is shown by white cross-hairs Limiting Magnitude +15.8 (Clear Filter) 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 2026-03-04 02:17 UT (#1399221-25) 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 2026coj (Monoceros)
AT 2026coj (Type: CV) discovered 2026-02-08.809 UT by XOSS Alias: KATS26C004, TCP J08011102-0343141 Discovery Magnitude 15.1 (Clear- Filter) vs Prior Non-Detection Limiting Magnitude ( Filter) Cataclysmic variable candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/kats26c004.html ( TNS 2026coj ) |
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AT 2026coj - 2026-03-03 (T+23.1d)
Image below (2026-03-03.927) was taken 23.1 days after discovery of 2026coj Position of earlier transient (faint) is shown by white cross-hairs Measured Magnitude +16.31 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-03-03 22:23 UT (#1399117-21) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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AT 2026coj - Earlier Image, 2026-02-13 (T+5.1d) Image below (2026-02-13.910) was taken 5.1 days after discovery of 2026coj Position of earlier transient (fain but distinctt) is shown by white cross-hairs Measured Magnitude +14.55 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter 4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-02-13 21:59 UT (#1393068-72) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2026coj 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 - 2026-03-04 (T+22.5d)
Image below (2026-03-04.075) was taken 22.5 days after discovery of 2026cqc Position of earlier transient (very faint) is shown by white cross-hairs Measured Magnitude +16.6 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-03-04 01:51 UT (#1399206-10) 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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LEDA 68428 with SN 2025acqv (Lacerta)
SN 2025acqv (Type: Ia) discovered 2025-11-05.162 UT by ZTF Alias: ZTF21acbfyew, GOTO25kzy Discovery Magnitude 19.1655 (g-ZTF Filter) vs Prior Non-Detection Limiting Magnitude 18.8962 (g-ZTF Filter) Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167). ( TNS 2025acqv ) |
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LEDA 68428 with SN 2025acqv - 2026-03-04 (T+119.0d)
Image below (2026-03-04.139) was taken 119.0 days after discovery of 2025acqv Position of earlier supernova (faint) is shown by white cross-hairs Estimated Magnitude (SN + Galaxy) +15.0 (Clear Filter) Poor quality image (poor seeing / uneven sky background) |
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Annotated CCD Image (150% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-03-04 03:26 UT (#1399254-57) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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LEDA 68428 with SN 2025acqv - Earlier Image, 2025-11-30 (T+25.6d)
Image below (2025-11-30.751) was taken 25.6 days after discovery of 2025acqv Position of earlier supernova (distinct ?) is shown by white cross-hairs Measured Magnitude (SN + Galaxy) +14.98 (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 2025-11-30 18:12 UT (#1381022-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2025acqv (in LEDA 68428) on Supernovae 2025 Page >> |
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M31 with M31N 2026-02a (Andromeda)
M31N 2026-02a (Type: EGN) discovered 2026-02-20.738 UT by Kamil Hornoch et al. Alias: PNV J00425133+4113491 |
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M31 with M31N 2026-02a - 2026-03-03 (T+11.2d)
Position of reported transient (not visible) is shown by white cross-hairs |
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Annotated CCD Image (70% size, square root scale)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-03-03 23:35 UT (#1399147-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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M31 with M31N 2026-02a - 2026-03-03 (T+11.2d)
Image below (2026-03-03.981) was taken 11.2 days after discovery of M31N 2026-02a Position of earlier transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +16.0 (Clear Filter) |
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Annotated CCD Image (125% size, square root scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-03-03 23:35 UT (#1399147-48) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of M31N 2026-02a (in M31) on Transients 2026 Page >> |
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| This Web Page: | Images - Session 1399 (2026-03-03) |
| Last Updated : | 2026-03-05 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |