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Details:
Time: 06:02UT 2021-01-05 Exp.11 x 122sec
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.
AT2020aerf (= ATLAS20bjwk) discovered 2020/12/31.613 at R.A. =
15h27m44s.678, Decl. = +61°36'05".28 Mag 18.6:12/31, Type SN Ia
(host anonymous galaxy) (References: TNS)
Reference: David Bishop http://www.rochesterastronomy.org/snimages/
Discovery page (References: TNS):
https://wis-tns.weizmann.ac.il/object/2020aerf
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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