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Details:
Time: 18:50UT 2021-02-09 Exp.9 x 242sec
Telescope 0.254m f/6.34 with ST-10XME CCD Binning 2x2 1.51"/pix
Odd Trondal Obs.code 238 (Uranium). Oslo Norway.
Plutonium Isotope.Atom-weight 238.Half-life 87.7 years gives power to the Voyagers, New Horizon and other distant spacecrafts.
AT2021bms (= ATLAS21dkk) discovered 2021/01/31.226 at R.A. =
02h49m31s.164, Decl. = +40°33'04".01 Mag 18.6:1/31, Type SN Ia
(zhost=0.030121) (host CGCG 539-105) (References: TNS)
Reference: David Bishop http://www.rochesterastronomy.org/snimages/
Discovery page (References: TNS):
https://wis-tns.weizmann.ac.il/object/2021bms
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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