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Details:
Time: 20:13UT 2021-09-14 Exp. 8 x 182sec
Telescope: 0.254m f/4.9 ST-10XME CCD 1.13"/pix
Odd Trondal Obs.code 238 (Uranium). Oslo Norway.
Atom weight Neptunium Isotope 238.Half-life 2 days
AT2021ypj (= ATLAS21biky) discovered 2021/09/11.232 at R.A. =
14h57m00s.194, Decl. = +62°52'08".08 Mag 18.2:9/11, Type unknown (zhost=0.042727)
(host LEDA 2645130) (References: TNS)
Reference David Bishop http://www.rochesterastronomy.org/snimages/
Discovery page (References: TNS):
https://www.wis-tns.org/object/2021ypj
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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