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Details:
Sun distance (au): 1,11 Comet perihelion 13.Jul.2021
Time: 01:14UT 2021-08-26 Exp.14 x 92sec
Tel: 0.18m Maksutov @ f/9.6 ST-402ME 1.1"/pix EQ8 mount
Odd Trondal Obs.code 238 (Uranium). Oslo Norway.
Atom weight Neptunium Isotope 238.Half-life 2 days
Software used:TheSky6,CCDSoft 5, MSB Astroart 2.0,7.0, Paint
Previous images chronological :
Mike Olason on July 26, 2021 @ Tucson, Arizona
José J. Chambó on June 15, 2021 @ Siding Spring, Australia
Photographer's website:
https://www.flickr.com/photos/odd_trondal/
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