Sh2 90

  • Date: 1 August 2009
  • Exposure: 0.7 hours Ha (40 min.)
  • FWHM:
  • Additional notes:
  • Telescope: 18” f/4.5 Newtonian
  • Mount: Heavy Forkmount
  • Camera: SBIG ST10-XME
  • Filters: Astronomik Typ II.c LRGB