M 17

Omeganebula

  • Date: 15 August 2009
  • Exposure: 1.75 hours LRGB (20:20:25:40 min.)
  • FWHM: 3 arcsec
  • Additional notes:
  • Telescope: 18” f/4.5 Newtonian
  • Mount: Heavy Forkmount
  • Camera: SBIG ST10-XME
  • Filters: Astronomik Typ II.c LRGB