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Images - Session 1453 (2026-09-12)
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220P/McNaught - Comet Nova Aql 2026 - Nova with Type Nova Transient AT 2026rdg AT 2026kqj - CV Type Transient M31 - Spiral Galaxy with Type FeII Transient AT 2026aabo NGC 7331 - Spiral Galaxy with Type Ia Supernova 2026aaiv UGC 117 - Spiral Galaxy with Type II Supernova 2026cbh (non-detection) UGC 12862 - Spiral Galaxy with Transient AT 2026kjy (non-detection) Variable Stars (photometric monitoring) - RX And, T CrB, AM Her, BL Lac Nearby Stars (astrometric monitoring) - 61 Cyg, Groombridge 34, Teegarden's Star
- Attempted All-Night Session (3.9 hr) ended early by cloud. Very good seeing. - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 7°C (min) - CCD Temperature: -10°/-15°C - Notes from 2026-09-12 >> - -
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220P/McNaught - 2026-09-13 (passing through Taurus) Sun Distance 1.78 AU Earth Distance 1.08 AU (161.3 million km) |
220P/McNaught - 2026-09-13 Detail
Autoguided on offset star using PHD2 with Lock Shift set at the comet's rate of motion (Ra 22.9 arcsec/hr, Dec -14.5 arcsec/hr) |
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Annotated CCD Image (50% size, square root scale)
9 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-09-13 00:16 UT (#1453103-11) 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 2026-09-13 00:16 UT (#1453103-11) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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| Images of Comet 220P McNaught on Comets 2026 Page >> | ||
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Nova Aql 2026 (Aquila)
Discovery Magnitude 12.53 (r-ZTF Filter) vs Prior Non-Detection Limiting Magnitude (r-ZTF Filter) Group reports the discovery of a candidate nova.(DCAP238=ZTF26abemjfk) https://dcap-minruining.github.io/DCAP/ Image taken with SQA130mm, Luminance 200sx3. ( TNS 2026rdg ) [ Novae ] |
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Nova Aql 2026 (Nova) - 2026-09-12 (T+73.6d)
Image below (2026-09-12.917) was taken 73.6 days after discovery of 2026rdg Position of earlier transient (distinct) is shown by white cross-hairs Measured Magnitude +14.58 (Clear Filter) |
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Annotated CCD Image (100% size, linear scale, cropped)
5 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-09-12 22:04 UT (#1453036-40) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Aql 2026 (Nova) - Spectral Image, 2026-09-12 (T+73.6d) |
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CCD Image (linear scale, rotated, cropped)
5 x 90s exposure (average combine), 2x2 binning, S Filter 2026-09-12 22:12 UT (#1453041-45) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Nova Aql 2026 (Nova) - Spectra, 2026-09-12 (T+73.6d) |
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| Images of Nova Aql 2026 on Novae 2026 Page >> |
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AT 2026kqj (Cygnus)
AT 2026kqj (Type: CV) discovered 2026-04-24.344 UT by GEOTS Alias: GEOTS-Balaji-2026-006 Discovery Magnitude 16.2 (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 the discovery of a variable source located in Cygnus. The source has undergone a significant flux increase, brightening by approximately 2 magnitudes since its last recorded observation on April 17, 2026. Notably, the object is an orange star, suggesting a late-type stellar classification. A search of the International Variable Star Index (VSX), Gaia DR3, and the ASAS-SN Sky Patrol database yields no prior record of known variability or cataloged transient activity at this position. ( TNS 2026kqj ) |
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AT 2026kqj near HIP 96683
Bright star in same FOV is HIP 96683 (mag 4.7) |
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Annotated CCD Image (50% size, linear scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-09-12 22:31 UT (#1453048-52) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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AT 2026kqj - 2026-09-12 (T+141.6d)
Image below (2026-09-12.933) was taken 141.6 days after discovery of 2026kqj Position of earlier transient (faint) is shown by white cross-hairs Measured Magnitude +15.79 (Clear Filter) |
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Annotated CCD Image (125% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-09-12 22:31 UT (#1453048-52) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2026kqj on Transients 2026 Page >> |
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M31 with AT 2026aabo (Andromeda)
AT 2026aabo (Type: FeII) discovered 2026-08-29.395 UT by ATLAS Alias: ZTF26abramlb, ATLAS26kqn, MASTER OT J004454.26+413310.2 Discovery Magnitude 18.5784 (g-ZTF Filter) vs Prior Non-Detection Limiting Magnitude 20.8339 (g-ZTF Filter) ( TNS 2026aabo ) [ Messier Objects ] |
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M31 with AT 2026aabo - 2026-09-12 (T+14.6d)
Image below (2026-09-12.985) was taken 14.6 days after discovery of 2026aabo Position of earlier transient (faint) is shown by white cross-hairs Measured Magnitude +18.02 (Clear Filter) |
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Annotated CCD Image (125% size, linear scale, cropped)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-09-12 23:46 UT (#1453078-82) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2026aabo (in M31 AT2026aabo) on Transients 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 - 2026-09-12 (T+11.5d)
Image below (2026-09-12.949) was taken 11.5 days after discovery of 2026aaiv |
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Annotated CCD Image (70% size, log scale)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-09-12 22:53 UT (#1453055-58) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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NGC 7331 with SN 2026aaiv - 2026-09-12 (T+11.5d)
Image below (2026-09-12.949) was taken 11.5 days after discovery of 2026aaiv Position of earlier supernova (distinct) is shown by white cross-hairs Measured Magnitude +12.35 (Clear Filter) |
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Annotated CCD Image (125% size, log scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-09-12 22:53 UT (#1453055-58) 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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UGC 117 with SN 2026cbh (Andromeda)
SN 2026cbh (Type: II) discovered 2026-02-03.231 UT by ATLAS Alias: ATLAS26bie, ZTF26aaexdrj Discovery Magnitude 17.429 (orange-ATLAS Filter) vs Prior Non-Detection Limiting Magnitude 18.28 (orange-ATLAS Filter) ( TNS 2026cbh ) |
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UGC 117 with SN 2026cbh - 2026-09-13 (T+221.8d)
Image below (2026-09-13.026) was taken 221.8 days after discovery of 2026cbh Position of earlier supernova (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +20.0 (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 2026-09-13 00:47 UT (#1453122-26) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of SN 2026cbh (in UGC 117) on Supernovae 2026 Page >> |
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UGC 12862 with AT 2026kjy (Andromeda)
AT 2026kjy (Type: unk) discovered 2026-04-22.881 UT by Ziyang Mai Alias: ZTF26aatqsax, ATLAS26fvk Discovery Magnitude 17.81 (Clear Filter) vs Prior Non-Detection Limiting Magnitude (Clear Filter) Possible SN in UGC 12862. ( TNS 2026kjy ) |
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UGC 12862 - Spiral Galaxy
Alias: PGC 73002 (catalog +15.5) |
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Annotated CCD Image (50% size, square root scale)
5 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-09-12 23:17 UT (#1453062-66) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
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UGC 12862 with AT 2026kjy - 2026-09-12 (T+143.1d)
Image below (2026-09-12.964) was taken 143.1 days after discovery of 2026kjy Position of earlier transient (not visible) is shown by white cross-hairs Non-Detection Limiting Magnitude +20.0 (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 2026-09-12 23:17 UT (#1453062-66) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2 |
| Images of AT 2026kjy (in UGC 12862) on Transients 2026 Page >> |
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| This Web Page: | Images - Session 1453 (2026-09-12) |
| Last Updated : | 2026-09-13 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |