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Details:
Time: 21:53UT 2021-03-20 Exp.9 x 182sec
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.
AT2021gdz (= ATLAS21iid) discovered 2021/03/18.397 at R.A. =
11h53m19s.034, Decl. = +20°06'30".61 Mag 18.4:3/18, Type II
(zhost=0.02073) (host KUG 1150+203) (References: TNS)
Reference: David Bishop http://www.rochesterastronomy.org/snimages/
Discovery page (References: TNS):
https://wis-tns.weizmann.ac.il/object/2021gdz
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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