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Details:
Sun distance (au): 2,46 Comet perihelion : 18. Oct 2021
Time: 03:55UT 2021-11-06 Exp.9 x 182sec
Telescope 0.254m f/4.9 ST-10XME CCD 1.13"/pix
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 :
Lars Bäckström on October 18, 2021 @ Lidingö, Sweden
Odd Trondal on October 7, 2021 @ Arneberg Norway
Mike Olason on August 3, 2021 @ Tucson, Arizona
Photographer's website:
https://www.flickr.com/photos/odd_trondal/
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