David's Astronomy Pages
Images - Session 1324 (2025-05-10)

Objects Session Notes
Bullet UGC 12131 - Spiral Galaxy with Supernova 2025jyl
   
   
Bullet Variable Stars (photometric monitoring)
- None
   
Bullet Nearby Stars (astrometric monitoring)
- None
   
- Attempted late night session (0.7 hr)
   
- 12" LX200 + ST-10XME for imaging
- TS 80mm APO + ZWO ASI178MC for guiding & imaging
- Ambient Temperature : 9.5°C (min)
- CCD Temperature: -15°C
- Notes from 2025-05-10 >>
   
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Observing Result

Image

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UGC 12131 - Spiral Galaxy with Supernova 2025jyl

UGC 12131 with SN 2025jyl (Lacerta)
2025jyl (Type: SN) discovered 2025-05-07.493 UT by ZTF
using Palomar 1.2m Oschin Telescope
Alias: ZTF25aappymi
Discovery Magnitude 18.09 (r-ZTF Filter)
vs Prior Non-Detection Limiting Magnitude 20.44
 ( TNS 2025jyl )

UGC 12131 - Spiral Galaxy
(Alias  PGC 69400, catalog mag +15.3)

Image

Annotated CCD Image (50% size, square root scale)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-05-10 23:40 UT (#1324006-08)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
UGC 12131 with SN 2025jyl - 2025-05-10 (T+3.5d)
Image below (2025-05-10.983) was taken 3.5 days after discovery of 2025jyl
Position of reported supernova (faint) is shown by white cross-hairs 
Estimated Magnitude +17.3 (Clear Filter)
Poor quality image (due to poor sky transparency)

Image

Annotated CCD Image (150% size, square root scale, cropped)
3 x 180s exposure (average combine), 3x3 binning, Clear Filter
2025-05-10 23:40 UT (#1324006-08)
12" LX200R (at f/10.4) + ST-10XME
Auto-guided using TS 80mm APO, ZWO ASI178MC & PHD2
 
Images of SN 2025jyl (in UGC 12131) on Supernova 2025 Page >>

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