Comet C/2017 T2 (PANSTARRS) on 2020 May 22nd, just as it passed near galaxies M 81 (right) and M 82 (center) in the constellation Ursa Major. On the left, the comet with a brightness around magnitude 9 shows a coma about 5' in angular size and a dust tail of one degree in length. The image is a mosaic composed horizontally of three tiles to cover the field of almost three degrees required by the scene.
Daten zum Bild
|Zeitpunkt||22.05.2020 22:21 UT|
|Teleskop/Objektiv||GSO 8" N f/3.8|
|Belichtungszeit||39 min. 3x(L=5x120 bin1 + RGB=1x60 bin2)|