NGC 4609 "Coaldust" Cluster (my name) in Crux and in Coal Sack with 4-inch Astro-Physics refractor at f/4.5 with compressor/field flattener and with APS-frame size Canon 20Da camera at ISO400 for stack of 4 x 8 minute exposures. Shot from Coonabarabran, Australia, March 24, 2007.
Edge-on galaxies NGC 4631 and NGC 4656 in Canes Venatici; with AP 5-inch (130mm) refractor at f/4.5 with AP Reducer. Stack of 4 x 8 minute exposures with Canon 5D MkII camera at ISO 800.
Stack of four 10-minute exposures with Canon 20Da at ISO400 and with 5-inch AP scope at f/4.5. Taken April 24.
