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Objects Session Notes
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AT 2025lc - CV Type Transient ![]()
AT 2026iul - CV Type Transient ![]()
AT 2026lcz - Type LPV Transient (non-detection) ![]()
IC 5191 - Spiral Galaxy with Type Ia Supernova 2026myp (non-detection) ![]()
LEDA 214810 - Galaxy with Type Ia Supernova 2026lda ![]()
M31 - Spiral Galaxy with Transient AT 2026jnl (non-detection) ![]()
UGC 11058 - Spiral Galaxy with Type Ia Supernova 2026ewd ![]()
Variable Stars (photometric monitoring) - T CrB, CI Cyg, AM Her, BL Lac, CY Lyr ![]()
Nearby Stars (astrometric monitoring) - None
- Attempted All-Night Session (3.6 hr) - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 9°C (min) - CCD Temperature: -10°/-15°C - Notes from 2026-08-24 >> - -
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AT 2025lc (Cygnus)
AT 2025lc (Type: CV) discovered 2025-01-10.553 UT by Gaia Alias: Gaia25add Discovery Magnitude 14.48 (G-Gaia Filter) vs Prior Non-Detection Limiting Magnitude 21.5 (G-Gaia Filter) Gaia Alerting Magnitude 14.48 vs Historic Magnitude 15.89 +/- 0.61 SD Outburst in candidate CV ( TNS 2025lc | Gaia25add ) |
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AT 2025lc - 2026-08-24 (T+591.3d)
Image below (2026-08-24.885) was taken 591.3 days after discovery of 2025lc Position of earlier transient (faint) is shown by white cross-hairs Measured Magnitude +14.90 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-08-24 21:18 UT (#1445012-16) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2025lc on Transients 2025 Page >> |
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AT 2026iul (Cygnus)
AT 2026iul (Type: CV) discovered 2026-04-07.397 UT by GEOTS Alias: GEOTS-PAPA-SHANKAR-2026-003 Discovery Magnitude 15.7 (Clear Filter) vs Prior Non-Detection Limiting Magnitude 18 (Clear Filter) Discovered in Cyg using 14" f/2.0 Astrograph at Golden Ears Observatory (MPC code U55). Group reports a significant brightening of the Gaia DR3 variable star 2033708559892804224 (VSX). Recent observations show an increase in magnitude of >2.3 when compared to the last recorded observation from Golden Ears Observatory on 02 March 2026. ( TNS 2026iul ) |
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AT 2026iul - 2026-08-24 (T+139.5d)
Image below (2026-08-24.942) was taken 139.5 days after discovery of 2026iul Position of earlier transient (faint) is shown by white cross-hairs Measured Magnitude +15.29 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-08-24 22:39 UT (#1445049-53) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2026iul on Transients 2026 Page >> |
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AT 2026lcz (Sagitta)
AT 2026lcz (Type: LPV) discovered 2026-04-30.292 UT by MASTER Alias: MASTER OT J192144.27+175308.5 Discovery Magnitude 15.4 (Other Filter) vs Prior Non-Detection Limiting Magnitude 18.5 (Other Filter) long variable, in history:m=14.0 at 2021-10-29 01:49:43 ( TNS 2026lcz ) |
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AT 2026lcz - 2026-08-24 (T+116.6d)
Image below (2026-08-24.926) was taken 116.6 days after discovery of 2026lcz 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 (150% size, linear scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-08-24 22:22 UT (#1445042-46) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2026lcz on Transients 2026 Page >> |
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IC 5191 with SN 2026myp (Lacerta)
SN 2026myp (Type: Ia) discovered 2026-05-17.575 UT by ATLAS Alias: ATLAS26fxq, ZTF26aawrmyb Discovery Magnitude 17.878 (cyan-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 16.46 (cyan-ATLAS Filter) ( TNS 2026myp ) |
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IC 5191 with SN 2026myp - 2026-08-24 (T+99.4d)
Image below (2026-08-24.950) was taken 99.4 days after discovery of 2026myp Position of earlier supernova (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +19.0 (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 2026-08-24 22:57 UT (#1445056-60) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2026myp (in IC 5191) on Supernovae 2026 Page >> |
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LEDA 214810 with SN 2026lda (Pegasus)
SN 2026lda (Type: Ia) discovered 2026-04-29.492 UT by ZTF Alias: DCAP34, ZTF26aaupgtw Discovery Magnitude 19.207 (r-ZTF Filter) vs Prior Non-Detection Limiting Magnitude (r-ZTF Filter) Group reports the discovery of a candidate SN.(DCAP pipeline DCAP34=ZTF26aaupgtw) ( TNS 2026lda ) |
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LEDA 214810 with SN 2026lda - 2026-08-24 (T+117.5d)
Image below (2026-08-24.983) was taken 117.5 days after discovery of 2026lda Position of earlier supernova (very faint) is shown by white cross-hairs |
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Annotated CCD Image (125% size, square root scale, cropped)
4 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-08-24 23:43 UT (#1445071-75) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2026lda (in LEDA 214810) on Supernovae 2026 Page >> |
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M31 with AT 2026jnl (Andromeda)
AT 2026jnl (Type: unk) discovered 2026-04-08.079 UT by Kamil Hornoch et al. Alias: Nova M31 2026-04a, PNV J00433836+4115324 Discovery Magnitude 17.2 (Ha Filter) vs Prior Non-Detection Limiting Magnitude 19.6 (Ha Filter) Initially reported in ATel #17748; position updated/corrected in ATel #17750. ( TNS 2026jnl ) [ Messier Objects ] |
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M31 with AT 2026jnl - 2026-08-24 (T+138.9d)
Image below (2026-08-24.967) was taken 138.9 days after discovery of 2026jnl Position of earlier transient (not visible) is shown by white circle Non-Detection Limiting Magnitude +18.9 (Clear Filter) |
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Annotated CCD Image (100% size, square root scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-08-24 23:20 UT (#1445063-67) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2026jnl (in M31 AT2026jnl) on Transients 2026 Page >> |
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UGC 11058 with SN 2026ewd (Hercules)
SN 2026ewd (Type: Ia) discovered 2026-03-05.583 UT by ATLAS Alias: ATLAS26cph, GOTO26bqj, ZTF26aajugdc Discovery Magnitude 17.346 (orange-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 19.52 (orange-ATLAS Filter) ( TNS 2026ewd ) |
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UGC 11058 with SN 2026ewd - 2026-08-24 (T+172.3d)
Image below (2026-08-24.910) was taken 172.3 days after discovery of 2026ewd Position of earlier supernova (very faint) is shown by white cross-hairs Estimated Magnitude +18.0 (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 2026-08-24 22:00 UT (#1445035-39) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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UGC 11058 with SN 2026ewd - Earlier Image, 2026-03-18 (T+12.6d)
Image below (2026-03-18.154) was taken 12.6 days after discovery of 2026ewd Position of earlier supernova (faint but distinct) is shown by white cross-hairs Measured Magnitude +15.10 (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 2026-03-18 03:50 UT (#1408033-37) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2026ewd (in UGC 11058) on Supernovae 2026 Page >> |
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| This Web Page: | Images - Session 1445 (2026-08-24) |
| Last Updated : | 2026-09-04 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |