NGC 7331

  • Date: September 2007
  • Exposure: 7.2 hours LRGB (280:44:44:60 min.)
  • FWHM:
  • Additional notes:
  • Telescope: 18” f/4.7 Newtonian
  • Mount: Heavy Germanmount
  • Camera: SBIG ST10-XME
  • Filters: Astronomik Typ II.c LRGB