• NGC 869 and NGC 884 in Perseus, the Double Cluster
  • NGC 869 and NGC 884 in Perseus, the Double Cluster
  • NGC 869 and NGC 884, the Double Cluster in Perseus, two open clusters 7500 light years distant.
  • FOV is approximately 110' × 73'; the apparent dimension of the Double Cluster is about 60'.
  • Nineteen 200 second guided subs (1 hour, 3 minutes, 20 seconds), iOptron CEM40 mount,
  • taken at the Darling Hill Observatory in Vesper, NY on 6 November 2021.
  • ZWO ASI120MM mini mono guide camera, ZWO 30mm 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).