David's Astronomy Pages Images - Session 1450 (2026-09-08)

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Images (S1451)

Objects	Session Notes
Nova Aql 2026 - Nova with Type Nova Transient AT 2026rdg   M31 - Spiral Galaxy with Type LRN? Transient AT 2026aabo   - - UGC 4424 attempt failed (due to cloud) - AT2026yvx attempt failed (due to bad guiding)   Variable Stars (photometric monitoring) - DY Per, RR Tau   - RZ LMi attempt failed (due to cloud)   Nearby Stars (astrometric monitoring) - None	- Attempted All-Night Session (5.9 hr) significant impacted by wind and cloud - 12" LX200 + ST-10XME for imaging - TS 80mm APO + ZWO ASI178MC for guiding & imaging - Ambient Temperature: 10°C (min) - CCD Temperature:  -10°/-15°C - Notes from 2026-09-08 >> - -

Observing Result

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Nova Aql 2026  - Nova with Type Nova Transient AT 2026rdg

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 ]

Nova Aql 2026 (Aquila) Alias: Nova Aql 2026, AT 2026rdg, V2104 Aql AT 2026rdg (Type: Nova) discovered 2026-07-01.305 UT by ZTF Position of earlier transient ( ) is shown by white cross-hairs Measured Magnitude +14.38 (Clear Filter)

Annotated CCD Image (100% size, linear scale, cropped) 4 x 60s exposure (average combine), 3x3 binning, Clear Filter 2026-09-08 23:57 UT (#1450009-13) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

Images of Nova Aql 2026 on Novae 2026 Page  >>

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M31  - Spiral Galaxy with Type LRN? Transient AT 2026aabo

M31 with AT 2026aabo (Andromeda) AT 2026aabo (Type: LRN?) discovered 2026-08-29.395 UT by ATLAS Alias: ZTF26abramlb, ATLAS26kqn Discovery Magnitude 18.5784 (g-ZTF Filter) vs Prior Non-Detection Limiting Magnitude 20.8339 (g-ZTF Filter) ( TNS 2026aabo ) [ Messier Objects ]

M31 w/AT2026aabo - Cam 2 Reference Image Position ofAT 2026aabo (not visible in this exposure) is shown by blue circle Limits of M31 Spiral Galaxy is shown by pale cyan ellipse

Annotated CMOS Image (16% size) 10s exposure, 1x1 binning 2026-09-09 00:57 UT TS 80mm APO + ZWO ASI178MC

M31 with AT 2026aabo - 2026-09-09 (T+10.6d)

Annotated CCD Image (70% size, square root scale) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-09-09 01:01 UT (#1450018-19) 12" LX200R (at f/10.4) + ST-10XME Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2

M31 with AT 2026aabo - 2026-09-09 (T+10.6d) Image below (2026-09-09.040) was taken 10.6 days after discovery of 2026aabo Position of earlier transient (faint) is shown by white cross-hairs Measured Magnitude +16.79 (Clear Filter)

Annotated CCD Image (125% size, linear scale, cropped) 2 x 180s exposure (average combine), 3x3 binning, Clear Filter 2026-09-09 01:01 UT (#1450018-19) 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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