NGC 7550

  • Date: 11 + 12 + 13 + 14 + 17 + 19 August 2012
  • Location: Altschwendt
  • Exposure: 15.2 hours LRGB (480:144:144:144 min.)
  • FWHM: 2.5 arcsec.
  • Additional notes: all 1×1 bin.
  • Additional notes: Arp 99
  • Telescope: 18” f/4.5 Newtonian
  • Mount: Heavy Forkmount
  • Camera: ALccd9 + ALccd Filterwheel
  • Filters: Baader Filter