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主題: C/2020 R4 (ATLAS) 作者: peter 於 2021-05-04 22:30:43 https://groups.io/g/comets-ml/topic/comet_atlas_c_2020_r4/82486455?p=,,,20,0,0,0::recentpostdate%2Fsticky,,,20,2,0,82486455
(https://s3-us-west-1.amazonaws.com/groupsioattachments/40058/82486455/29629/0?AWSAccessKeyId=AKIAJECNKOVMCCU3ATNQ&Expires=1620138995&Signature=mtcMimd%2Be4ZJSTa%2FK%2B2%2F9tc%2BMZ4%3D&response-content-disposition=inline%3B+filename%3D%22image001.png%22) http://www.aerith.net/comet/catalog/2020R4/2020R4.html Dear All, My latest observation of this possible outburst. I must admit, that I also see a brightness increase. Specially a nice tail. http://www.astronomie.be/pieterjan.dekelver/Observations/20210429_C2020R4_ATLAS_XXX_FULL.jpg COBS data ( all visual and CCD measurements from there database ) ============= (http://www.aerith.net/comet/catalog/2020R4/mag.gif) |