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Details:
Time: 23:27UT 2021-09-25 Exp.3 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
2021vtl (= PSP21D) (= Gaia21duk) (= PSN J02292803+3138385), TNS discovered 2021/08/11.930 by Xingming Observatory Sky Survey (XOSS)
Found in NGC 940 at R.A. = 02h29m28s.068, Decl. = +31°38'38".07
Located 6".8 east and 11".2 north of the center of NGC 940
Mag 16.1:9/3 (15.8:8/20) Type Ia (z=0.017075) (References: Gaia observations, CBAT TOCP)
Reference David Bishop http://www.rochesterastronomy.org/snimages/
Discovery page (References: TNS):
https://www.wis-tns.org/object/2021vtl
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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