• NGC 3031 or Messier 81 in Ursa Major
  • M81
  • NGC 3031 or Messier 81 in Ursa Major, Bode's Galaxy.
  • FOV is approximately 51' × 34'; the angular size of M81 is about 21' x 10'.
  • Thirty-one 180 second unguided subs (1 hour, 33 minutes), Orion Sirius EQ-G mount,
  • taken at Darling Hill Observatory in Vesper, NY on 12 June 2021.
  • ZWO ASI071MC Pro Cooled (0°C) Color CMOS with gain 240,
  • Orion 127mm Mak-Cass (1540mm, f/12.1).