M 42

  • Date: 30 November 2006
  • Exposure: 0.9 hours HaRGB (25:9:8:12 min.)
  • FWHM: 2.1 arcsec
  • Additional notes:
  • Telescope: 18” f/3.7 Newtonian
  • Mount: Heavy Germanmount
  • Camera: SBIG ST10-XME
  • Filters: Astronomik Typ II.c LRGB