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Images - Session 1449 (2026-09-07)
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Objects Session Notes
LEDA 68428 - Galaxy with Type Ia Supernova 2025acqv M31 - Spiral Galaxy with Transient AT 2026vdo (non-detection) M31N 2026-06a? - Extragalactic Nova in M31 NGC 470 - Spiral Galaxy NGC 4205 - Spiral Galaxy with Type Ia Supernova 2026fvx NGC 7331 - Spiral Galaxy with Type Ia Supernova 2026aaiv PCG 2259+1329 - Compact Galaxy Group SHK 38 - Faint Galaxy Group (PGC 4212 et al) UGC 279 - Spiral Galaxy with Type IIP Supernova 2026zyf (non-detection) - NGC 470 attempt failed (due to bad guiding) Variable Stars (photometric monitoring) - RX And, T CrB, BL Lac Nearby Stars (astrometric monitoring) - None
- Attempted All-Night Session (3.9 hr) ended early due to cloud - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 10.5°C (min) - CCD Temperature: -10°/-15°C - Notes from 2026-09-07 >> - -
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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 - 2026-09-07 (T+306.8d)
Image below (2026-09-07.915) was taken 306.8 days after discovery of 2025acqv Position of earlier supernova (not definately distinguishable) is shown by white cross-hairs Measured Magnitude +15.02 (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 2026-09-07 22:06 UT (#1449035-39) 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 AT 2026vdo (Andromeda)
AT 2026vdo (Type: unk) discovered 2026-07-20.081 UT by Robert Fidrich Alias: Vend85, PNV J00425536+4117270 Discovery Magnitude 17.7 (Clear Filter) vs Prior Non-Detection Limiting Magnitude 19.2 (Clear Filter) Róbert Fidrich and Tamás Tordai (HAA/VSS) report the discovery of a new astronomical transient. Discovered using 2x90s co-added images made with a 0.43 m Dall-Kirkham telescope at Alnitak Remote Observatory, Sierra del Segura, Spain, with Luminance filter. More info: https://vendegcsillagkereso.blogspot.com/2026/07/vend85-quite-bright-possible-nova-in-m31. html The discovery was made using the Alnitak Remote Observatories robotic telescope network, ARTA program. ( TNS 2026vdo ) [ Messier Objects ] |
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M31 with AT 2026vdo - 2026-09-08 (T+49.9d)
Image below (2026-09-08.004) was taken 49.9 days after discovery of 2026vdo Position of earlier transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +16.6 (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 2026-09-08 00:09 UT (#1449089-90) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2026vdo (in M31 AT2026vdo) on Transients 2026 Page >> |
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M31 with M31N 2026-06a? (Andromeda)
M31N 2026-06a? (Type: EGN?) discovered 2026-06-26.059 UT by Kamil Hornoch et al. Alias: PNV J00423204+4110283 [ Messier Objects ] |
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M31 with M31N 2026-06a? - 2026-09-07 (T+73.8d)
Image below (2026-09-07.899) was taken 73.8 days after discovery of M31N 2026-06a? Position of earlier transient (faint) is shown by white cross-hairs Measured Magnitude +15.21 (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 2026-09-07 21:44 UT (#1449028-32) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of M31N 2026-06a? (in M31) on Transients 2026 Page >> |
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NGC 470 (Pisces)
With H II regions & two background quasars |
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Annotated CCD Image (50% size, square root scale)
180s exposure (single frame), 3x3 binning, Clear Filter 2026-09-07 23:43 UT (#1449082) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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NGC 470 - Detail
Poor quality image (cloud/ single frame) Target to be rescheduled for a later session |
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Annotated CCD Image (125% size, square root scale, cropped)
180s exposure (single frame), 3x3 binning, Clear Filter 2026-09-07 23:43 UT (#1449082) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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NGC 4205 with SN 2026fvx (Draco)
SN 2026fvx (Type: Ia) discovered 2026-03-17.986 UT by LAST Alias: ZTF26aamqluf, ATLAS26dgt Discovery Magnitude 19.46 (Clear Filter) vs Prior Non-Detection Limiting Magnitude 19.97 (Clear Filter) ( TNS 2026fvx ) |
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NGC 4205 with SN 2026fvx - 2026-09-07 (T+173.9d)
Image below (2026-09-07.859) was taken 173.9 days after discovery of 2026fvx Position of earlier supernova (faint) is shown by white cross-hairs Estimated Magnitude +16.9 (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 2026-09-07 20:45 UT (#1449006-10) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2026fvx (in NGC 4205) on Supernovae 2026 Page >> |
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NGC 7331 with SN 2026aaiv (Pegasus)
SN 2026aaiv (Type: Ia) discovered 2026-09-01.475 UT by ATLAS Alias: ATLAS26krw Discovery Magnitude 17.325 (orange-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 18.87 (orange-ATLAS Filter) ( TNS 2026aaiv ) |
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NGC 7331 with SN 2026aaiv - 2026-09-07 (T+6.4d)
Image below (2026-09-07.883) was taken 6.4 days after discovery of 2026aaiv Position of earlier supernova (distinct) is shown by white cross-hairs Measured Magnitude +12.87 (Clear Filter) |
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Annotated CCD Image (125% size, log scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-09-07 21:21 UT (#1449020-24) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2026aaiv (in NGC 7331) on Supernovae 2026 Page >> |
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PCG 2259+1329 (Pegasus)
Palomar Compact Galaxy Catalogue, radius 29 arcsec, mag 15.7 [ PCG Groups ] |
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Annotated CCD Image (50% size, square root scale)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-09-07 22:26 UT (#1449043-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| PCG 2259+1329 - Detail |
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Annotated CCD Image (125% size, square root scale, cropped)
Image details as above |
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Annotated CCD Image (175% size, square root scale, cropped)
Image details as above |
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SHK 38 (Pisces)
Alias: PGC 4212 et al Shakhbazian Group [ Shakhbazian Groups ] |
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Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-09-07 23:30 UT (#1449074-78) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| SHK 38 - Detail |
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Annotated CCD Image (150% size, square root scale, cropped)
Image details as above |
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Annotated negative CCD Image (150% size, square root scale, cropped)
Image details as above |
| SHK 38 - Earlier Image (Sep 2019) |
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CCD Image (150% size, linear scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, C Filter 2019-09-26 21:46 UT (#700003-04) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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UGC 279 with SN 2026zyf (Andromeda)
SN 2026zyf (Type: IIP) discovered 2026-08-28.092 UT by ATLAS Alias: ATLAS26koy Discovery Magnitude 18.423 (wide-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 18.76 (wide-ATLAS Filter) ( TNS 2026zyf ) |
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UGC 279 with SN 2026zyf - 2026-09-07 (T+10.9d)
Image below (2026-09-07.947) was taken 10.9 days after discovery of 2026zyf |
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Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-09-07 22:51 UT (#1449050-54) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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UGC 279 with SN 2026zyf - 2026-09-07 (T+10.9d)
Image below (2026-09-07.947) was taken 10.9 days after discovery of 2026zyf Position of earlier supernova (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +19.9 (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 2026-09-07 22:51 UT (#1449050-54) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2026zyf (in UGC 279) on Supernovae 2026 Page >> |
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| This Web Page: | Images - Session 1449 (2026-09-07) |
| Last Updated : | 2026-09-09 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |