Abell 4

  • Date: 24 September 2007
  • Exposure: 0.9 hours L (54 min.)
  • FWHM:
  • Additional notes:
  • Telescope: 18” f/3.7 Newtonian
  • Mount: Heavy Germanmount
  • Camera: SBIG ST10-XME
  • Filters: Astronomik Typ II.c LRGB