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Details:
Time: 21:48UT 2021-04-10 Exp.9 x 182sec
Tel: C14 @ f/7.88 AP7 CCD 1.77"/pix Paramount GT-1100S
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.
AT2021irz (= Gaia21bsj) discovered 2021/04/07.539 at R.A. =
02h30m44s.020, Decl. = +50°06'30".28 Mag 17.9:4/7, Type unknown
(zhost=0.046982) (host UGC 1977) (References: TNS, Gaia observations)
Reference: David Bishop http://www.rochesterastronomy.org/snimages/
Discovery page (References: TNS):
https://wis-tns.weizmann.ac.il/object/2021irz
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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