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Details:
Time: 02:11UT 2021-12-20 Exp.70 x 62sec
Telescope 0.254m f/4.9 ST-10XME CCD 1.13"/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.
AT2021aggv (= JVAR21a),TNS discovered 2021/12/13.056 by Vázquez RamiÃ
Found in CGCG 180-023, PGC 25211 at R.A. = 08h58m32s.762, Decl. = +37°05'09".66
Mag 18.6:12/13, Type unknown (zhost=0.0.042876)
Reference David Bishop http://www.rochesterastronomy.org/snimages/
Discovery page (References: TNS):
https://www.wis-tns.org/object/2021aggv
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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