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Details:
Time: 18:01UT 2020-10-13 Exp.11 x 122sec
Telescope 0.254m f/5.2 with ST7 CCD 1.4"/px
Odd Trondal Obs.code 238 (Uranium). Oslo Norway
Atom weight Neptunium Isotope 238.Half-life 2 days
AT2020ulf (= ATLAS20bceu) discovered 2020/09/29.228 at R.A. =
16h01m40s.884, Decl. = +21°21'17".97 Mag 18.3:9/29, Type SN Ia
(zhost=0.032169) (host UGC 10138) (References: TNS)
Reference http://www.rochesterastronomy.org/snimages/
Discovery page (References: TNS):
https://wis-tns.weizmann.ac.il/object/2020ulf
Reference image from Aladin or Sloan Digital Sky Survey
Software used:TheSky6,CCDSoft 5, MSB Astroart 2.0,7.0, Paint
Photographer's website:
https://www.flickr.com/photos/odd_trondal/
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