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Details:
Time: 17:49UT 2021-11-17 Exp.5 x 185sec
Tel: C14 @ f/7.88 AP7 CCD 1.77"/pix Paramount GT-1100S
Odd Trondal Obs.code 238 (Uranium). Oslo Norway.
Atom weight Neptunium Isotope 238.Half-life 2 days
2021abzd (= ATLAS21bkka) (= PS21ljw) (= ZTF21acincqb), TNS discovered 2021/10/22.418 by ATLAS
Found in NGC 233 at R.A. = 00h43m35s.859, Decl. = +30°35'32".65
Located 9".0 west and 19".5 north of the center of NGC 233
Mag 16.3:10/28, Type SN Ia-91bg-like (z=0.018) (zhost=0.018086) (References: AstroNote 2021-270, ZTF observations)
Reference David Bishop http://www.rochesterastronomy.org/snimages/
Discovery page (References: TNS):
https://www.wis-tns.org/object/2021abzd
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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