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Details:
Comet perihelion 26.Sep.2021
Time: 22:09UT 2021-08-10 Exp.44 x 62sec
Tel: 0.254m f/4.9 with 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 August 5, 2021 @ Lidingö, Sweden
Odd Trondal on August 2, 2021 @ Oslo
Odd Trondal on July 25, 2021 @ Oslo
Odd Trondal on July 23, 2021 @ Oslo
Photographer's website:
https://www.flickr.com/photos/odd_trondal/
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