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Details:
Slowly brightning. Easy target in Hercules. Comet perihelion: 19.Dec 2022
Time: 23:41UT 2021-07-21 Exp. 51 x 62sec
Tel: 0.254m f/6.34 with ST-10XME CCD Binning 2x2 1.51"/pix
Odd Trondal Obs.code 238 (Uranium). Oslo Norway
Atom weight Neptunium Isotope 238.Half-life 2 days
Previous images chronological :
Milan ANTOŠ on July 10, 2021 @ Jablonec nad Nisou, Czech rep.
Graziano Ventre on May 8, 2021 @ Postazione Astronomica Bellagio Via Lattea L06
Odd Trondal on April 8, 2021 @ Oslo
Sormano Astronomical Observatory on April 3, 2021 @ Sormano CO Italy
Paul Robinson on January 24, 2021 @ Mayhill, NM USA, remotely
Odd Trondal on August 29, 2020 @ Oslo
Odd Trondal on March 31, 2020 @ Oslo
Odd Trondal on August 29, 2019 @ Oslo
Odd Trondal on January 2, 2019 @ Oslo
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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