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New Comet C/2020 H6 (ATLAS)

5 May 2020, 14:27 UTC
New Comet C/2020 H6 (ATLAS)
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CBET 4768 & MPEC 2020-J23, issued on 2020, May 03, announce the discovery of a comet (magnitude ~18.5) on individual images from taken on Apr. 22 UT with a 0.5-m f/2 Schmidt reflector at Haleakala, Hawaii, in the course of the "Asteroid Terrestrial-Impact Last Alert System" (ATLAS) search program. The new comet has been designated C/2020 H6 (ATLAS).We performed follow-up measurements of this object while it was still on the PCCP webpage.Stacking of 10 unfiltered exposures, 120 seconds each, obtained remotely on 2020, April 28.4 from Q62 (iTelescope network) through a 0.50-m f/6.8 astrograph + CCD + focal reducer, shows that this object is a comet with a compact coma about 10" in diameter slightly elongated toward PA 330. Our confirmation image (click on it for a bigger version) MPEC 2020-J23, assigns the following preliminary parabolic orbital elements to comet C/2020 H6 (ATLAS): T 2021 Oct. 1.29; e= 1.0; Peri. = 20.53; q = 4.68; Incl.= 79.83by Ernesto Guido & Adriano Valvasori

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