C/2019 Y1 ATLAS It is very difficult to observe this comet because of low altitude. I estimate its magnitude m1=8.9 by UCAC-4. 2020.03.21.41785UT, 13*10s, SharpStar HNT15028, Nikon D3100 ISO3200, 1/2 cropping, taken in Nagano, Japan by Kunihiro Shima |
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