Abell 21 (2013)

  • Date: 2-5/15/16 March 2013
  • Location: Altschwendt
  • Exposure: 11.7 hours HaRGB (405:100:100:100 min.)
  • FWHM:
  • Additional notes: all 1×1 bin.
  • Telescope: 18” f/4.5 Newtonian
  • Mount: Heavy Forkmount
  • Camera: ALccd9 + ALccd Filterwheel
  • Filters: Baader LRGB