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Details:
Sun distance (au): 1,75 Perihelion : 22.Jan 2021
Time: 22:21UT 2021-04-05 Exp.10 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.
Previous images chronological :
Odd Trondal on February 7, 2021 @ Oslo
Milan ANTOŠ on March 1, 2021 @ Jablonec nad Nisou, Czech rep.
Jorma Ryske on February 16, 2021 @ Finland, Helsinki
Michael Jaeger on February 14, 2021 @ Weißenkirchen Wachau
Dr Paolo Candy on February 11, 2021 @ Ci.A.O. Cimini Astronomical Observatory - Italy
José J. Chambó on February 11, 2021 @ Mayhill, USA
Michael Jaeger on February 3, 2021 @ Weißenkirchen Wachau
José J. Chambó on January 16, 2021 @ Siding Spring, Australia
Filipp Romanov (?????? ???????) on January 9, 2021 @ Remotely from iTelescope: Q62
Software used:TheSky6,CCDSoft 5, MSB Astroart 2.0,7.0, Paint
Photographer's website:
https://www.flickr.com/photos/odd_trondal/
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