• NGC 5457 or Messier 101 in Ursa Major
  • M101
  • NGC 5457 or Messier 101 in Ursa Major, The Pinwheel Galaxy.
  • FOV is approximately 54' × 36'; the angular size of M101 is about 29' x 27'.
  • Seventeen 360 second guided subs (1 hour, 42 minutes), Orion Sirius EQ-G mount,
  • eight subs taken at Jellystone Park in Mexico, NY on 28 July 2021,
  • nine subs taken at the Darling Hill Observatory in Vesper, NY on 30 July 2021.
  • ZWO ASI120MM mini mono guide camera, ZWO 30mm guide scope,
  • ZWO ASI071MC Pro Cooled (0°C) Color CMOS with gain 180,
  • Orion 127mm Mak-Cass (1540mm, f/12.1).