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Details:
Sun distance (au): 1,91 Perihelion : 8.Dec 2020
Time: 20:40UT 2021-04-18 Exp. 3 x 3 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 :
Odd Trondal on February 4, 2021 @ Oslo
Lars Bäckström on April 13, 2021 @ Lidingö, Sweden
Photographer's website:
https://www.flickr.com/photos/odd_trondal/
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