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Details:
Time: 23:42UT 2021-05-28 Exp.30 x 1min
Tel: 0.18m Maksutov @ f/9.6 ST-402ME 1.1"/pix EQ8 mount
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.
AT2021ncn (= ZTF21abchjer) discovered 2021/05/23.465 at R.A. =
22h36m32s.927, Decl. = +25°45'40".58 Mag 18.6:5/23, Type SN Ic-BL (zhost=0.024617)
(host IC 5233) (References: TNS, ZTF observations)
Reference: David Bishop http://www.rochesterastronomy.org/snimages/
Discovery page (References: TNS):
https://wis-tns.weizmann.ac.il/object/2021ncn
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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