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Details:
Time: 22:11UT 2024-03-22 Exp.9 x 125sec
Tel: 0.254m f/7.3 ST-10XME CCD 2x2bin 1.5"/pix
Odd Trondal Obs.code 238 (Uranium). Oslo Norway.
Atom weight Neptunium Isotope 238.Half-life 2 days
Plutonium Isotope.Atom-weight 238.Half-life 87.7 years gives power to the Voyagers, New Horizon and other distant spacecrafts.
Wow, Damian Peach 2024/03/13
2024btj (= PSP24K) (= Gaia24apq) (= ZTF24aaejecr) (= PS24baj), TNS discovered 2024/02/05.964 by ATLAS
Found in NGC 3780 at R.A. = 11h39m14s.350, Decl. = +56°15'38".09
Located 66".7 west and 36".3 south of the center of NGC 3780 (Discovery image)
Mag 16.2:3/20, Type II (zhost=0.007976) (References: AstroNote 2024, Gaia observations, ZTF observations; SN 1992bt, 1978H)
Reference David Bishop http://www.rochesterastronomy.org/snimages/
Discovery page (References: TNS):
https://www.wis-tns.org/object/2024btj
Reference image from Aladin or Sloan Digital Sky Survey
Software used:TheSky6,CCDSoft 5, MSB Astroart 2.0,7.0, Paint
More pictures
https://www.rochesterastronomy.org/sn2024/sn2024btj.html
Photographer's website:
https://www.flickr.com/photos/odd_trondal/
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