M 99

  • Date: 21-26 March 2012
  • Exposure: 14.4 hours LRGB (471:132:132:132 min.)
  • FWHM: 2.7 arcsec
  • Additional notes: all 1×1 bin.
  • Telescope: 18” f/4.5 Newtonian
  • Mount: Heavy Forkmount
  • Camera: ALccd9 + ALccd Filterwheel
  • Filters: Baader LRGB