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Details:
Sun distance (au): 2,37 Perihelion : 11.April 2021
Time: 23:11UT 2021-04-30 Exp. 17 x 2 min
Telescope 0.254m f/6.34 with ST-10XME CCD Binning 2x2 1.51"/pix
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 18, 2021 @ Lidingö, Sweden
Photographer's website:
https://www.flickr.com/photos/odd_trondal/
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