David's Astronomy Pages
Images - Session 1374 (2025-11-11)

Objects Session Notes
Bullet AT 2024wqf - Type AGN Transient (4C 27.50)
   
Bullet Variable Stars (photometric monitoring)
- BL Lac
   
Bullet Nearby Stars (astrometric monitoring)
- None
   
- Post Midnight Session (3 hr), started when it was observed that sjky had clear and there seemed to be a couple of hours of further clear sky in forecast. However cloud quickly develeped and only 2 targets were observed.
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature:  11°C (min)
- CCD Temperature:  -10°
- Notes from 2025-11-11 >>
   
- Aurora Images from 2025-11-11 / 2025-11-12  >>
Image

 
   
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Observing Result

Image

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AT 2024wqf - Type AGN Transient (4C 27.50)

AT 2024wqf (Pegasus)
AT 2024wqf (Type: AGN) discovered 2024-09-24.205 UT by MASTER
Alias: MASTER OT J232159.82+273246.9,  4C 27.50
Discovery Magnitude 13.7 (Clear Filter)
 ( TNS 2024wqf | 4C 27.50 (Simbad) )
[ AGN ]

 
AT 2024wqf - 2025-11-12 (T+413.9d)
Image below (2025-11-12.076) was taken 413.9 days after discovery of 2024wqf
Position of reported transient (fading) is shown by white cross-hairs 
Non-Detection Limiting Magnitude +14.3 (Clear Filter)
(mag 15.99 at last observation on 2025-09-02 at T+342.8d)
(adjacent star measured mag +13.47 )
Very poor quality image (Cloud, Single Frame)

Image

Annotated CCD Image (100% size, square root scale, cropped)
180s exposure (single frame), 3x3 binning, Clear Filter
2025-11-12 01:49 UT (#1374010)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
AT 2024wqf - Earlier Image 2025-09-02 (T+342.8d)
Image below (2025-09-02.050) was taken 342.8 days after discovery of 2024wqf
Position of reported transient (fading) is shown by white cross-hairs 
Measured Magnitude +15.99 (Clear Filter)
Single Frame

Image

Annotated CCD Image (100% size, square root scale, cropped)
180s exposure (single frame), 3x3 binning, Clear Filter
2025-09-02 01:12 UT (#1355036)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
AT 2024wqf - Earlier Image 2024-10-01 (T+6.8d)
Image below (2024-10-01.005) was taken 6.8 days after discovery of 2024wqf
Position of reported transient (distinct) is shown by white cross-hairs 
Measured Magnitude +14.16 (Clear Filter)

Image

Annotated CCD Image (100% size, linear scale, cropped)
2 x 180s exposure (average combine), 3x3 binning, Clear Filter
2024-10-01 00:10 UT (#1248133-34)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of AT 2024wqf on Transients 2024 Page >>

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