Comet 45p from yesterday early morning: a real beauty. Some very interesting details: the asymmetric coma, the dust tails color change and its development on both sides of the nucleus. The visible galaxies are Whale Galaxy and Hockey stick Galaxy. Comet 45p. 2017-02-19. 1:30 - 4:05h UT.
Technique: 292 x 30 sec, Hyperstar C14 F/1.9, Sony A7s CentralDS(cooled), ISO 3200, no filter, ASA DDM85 mount, Tenerife 1180. FOV about 1.7° diagonal.