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Details:
Time: 05:54UT 2020-12-23 Exp.5 x 62sec
Telescope 0.254m f/6.34 with ST-10XME CCD Binning 2x2 1.51"/pix
Odd Trondal Obs.code 238 (Uranium). Oslo Norway.
Atom weight Neptunium Isotope 238.Half-life 2 days
AT2020abgq, TNS discovered 2020/11/30.854 by Koichi Itagaki
Found in NGC 4454 at R.A. = 12h28m50s.280, Decl. = -01°56'38".60
Mag 16.3:11/30, Type SN Ia (zhost=0.008029)
Reference David Bishop http://www.rochesterastronomy.org/snimages/
Discovery page (References: TNS):
https://wis-tns.weizmann.ac.il/object/2020abgq
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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