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Details:
Time: 01:35UT 2021-03-01 Exp.25 x 2 min
Tel: C14 @ f/8.2 AP7 CCD 1.78"/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.
AT2021ddk (= ATLAS21gmo) discovered 2021/02/17.449 at R.A. =
11h51m22s.346, Decl. = +72°01'26".41 Mag 19.6:2/17, Type unknown
(host LEDA 2747068) (References: TNS)
Reference: David Bishop http://www.rochesterastronomy.org/snimages/
Discovery page (References: TNS):
https://wis-tns.weizmann.ac.il/object/2021ddk
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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