Supernova in galaxy PGC 23245
Taken by Odd Trondal on November 20, 2025 @ Norway
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AT2025advo (= ATLAS25ogq) discovered 2025/11/17.144 at R.A. = 08h17m39s.890, Decl. = +04°36'53".07 Mag 16.9:11/17, Type SN Ic (zhost=0.014083) (host UGC 4316) (References: TNS)

Time: 02:45UT 2025-11-20 Exp.20 x 125sec
Tel. 0.254m f/5.8 ST-10XME CCD @ -40°C 0.95"/pix
Odd Trondal Obs.code 238 (Uranium). Oslo Norway.

Reference David Bishop http://www.rochesterastronomy.org/snimages/

Discovery page (References: TNS):
https://www.wis-tns.org/object/2025advo

Reference image from Aladin or Sloan Digital Sky Survey

Software used:TheSky6,CCDSoft 5, MSB Astroart 2.0, 8.0, Paint
Photographer's website:
https://www.flickr.com/photos/odd_trondal/
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