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Details:
Time: 21:32UT 2021-04-18 Exp.17 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.
AT2021jtt (= ZTF21aavoqpl), TNS discovered 2021/04/15.199 by Zwicky Transient Facility (ZTF)
Found in NGC 2955 at R.A. = 09h41m16s.452, Decl. = +35°53'02".53
Mag 18.4:4/15, Type SN (zhost=0.023393) (References: ZTF observations; SN 2015A)
Reference: David Bishop http://www.rochesterastronomy.org/snimages/
Discovery page (References: TNS):
https://wis-tns.weizmann.ac.il/object/2021jtt
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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