DWB111 - Propeller Nebula in Cygnus
Canon 350D Hap Griffin Baader Mod
18x600sec at iso 1600
30 Darks/Flats/Bias
APM/TMB 130/780 with AP field flattener
Baader 7nm H alpha filter
Imaged during poor conditions with thin clouds and high humidity all night.
May 24, 2008
