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Details:
Time: 20:22UT 2021-03-29 Exp.11 x 122sec
Tel: C14 @ f/7.88 AP7 CCD 1.77"/pix Paramount GT-1100S
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.
AT2021hen (= ZTF21aaqwfqe) discovered 2021/03/28.338 at R.A. =
13h07m43s.886, Decl. = +24°48'37".91 Mag 18.8:3/28, Type SN I
(zhost=0.021086) (host anonymous galaxy) (References: TNS, ZTF observations)
Reference: David Bishop http://www.rochesterastronomy.org/snimages/
Discovery page (References: TNS):
https://wis-tns.weizmann.ac.il/object/2021hen
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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