NGC 891 (2009)

  • Date: 25. September + 19. November 2009
  • Exposure: 6.2 hours LRGB (288:20:25:40 min.)
  • FWHM: 2.6 arcsec.
  • Additional notes: subs 36×8:5×4:5×5:5×8 min.
  • Telescope: 18” f/4.5 Newtonian
  • Mount: Heavy Forkmount
  • Camera: SBIG ST10-XME
  • Filters: Astronomik Typ II.c LRGB