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