M 20

Trifidnebula

  • Date: 2 -9 July 2010
  • Exposure: 2.8 hours RGB (40:50:80 min.)
  • FWHM: 3 arcsec
  • Additional notes: Minorplanet (700) Auravictrix at the bottom
  • Telescope: 18” f/4.5 Newtonian
  • Mount: Heavy Forkmount
  • Camera: SBIG ST10-XME
  • Filters: Astronomik Typ II.c LRGB