• NGC 6939 in Cepheus and NGC 6946 in Cygnus
  • NGC 6939 and NGC 6946 the Fireworks Galaxy
  • NGC 6939 is an open cluster in Cepheus and NGC 6946 is the Fireworks Galaxy in Cygnus.
  • FOV is approximately 110' × 73'; the apparent dimension of NGC 6946 is about 11.5' x 9.8'.
  • Fifty-seven 200 second guided subs (3 hours, 10 minutes), iOptron CEM40 mount,
  • taken at the Darling Hill Observatory in Vesper, NY on 1 October 2021.
  • ZWO ASI120MM mini mono guide camera, Stellarvue 50mm guide scope,
  • ZWO ASI071MC Pro Cooled (0°C) Color CMOS with gain 180,
  • Baader LP Moonglow IR filter, Stellarvue SVX102T + SFFX-1 (714mm, f/7).