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Details:
Sun distance (au): 2,00 Perihel : 23.Nov 2025 Sun distance (au): 1,98
Time: 16:50UT 2025-10-30 Exp.11 x 125sec
Telescope 0.254m f/5.8 ST-10XME CCD -35°C 0.95"/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.
Software used:TheSky6,CCDSoft 5, MSB Astroart 2.0, 8.0, Paint
Previous images chronological :
Lars Bäckström on October 17, 2025 @ Lidingö, Sweden
Photographer's website:
https://www.flickr.com/photos/odd_trondal/
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