NGC 7331 (2016)

  • Date: August 2016
  • Location: Bergisches Land
  • Exposure: 7 hours (LRGB 220:70:70:70min.)
  • FWHM: 1.9-2.3 arcsec
  • Telescope: 12” f/4.5 Newton
  • Mount: Paramount ME
  • Camera: Starlight Xpress Trius SX694
  • Filters: Astronomik LRGB Typ II.c