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Details:
Sun distance (au): 7,49 Perihelion : 5.Aug 2023
Time: 22:34UT 2021-04-18 Exp. 13 x 5 min
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.
Software used:TheSky6,CCDSoft 5, MSB Astroart 2.0,7.0, Paint
Previous images chronological :
Lars Bäckström on April 11, 2021 @ Lidingö. Sweden
Photographer's website:
https://www.flickr.com/photos/odd_trondal/
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