Click on the image to see a larger version.
Click HERE to see the H-Alpha
component
Found directly beneath the 'W' of Cassiopeia
STL11000 w 6nm Astronomic H-Alpha filter
AP155EDF Triplet Refractor w 4" Field Flattener and Robofocus
20 x 30 min h-alpha
4 x 10 min RGB
Self-guided on an AP900GTO mount
Acquired in CCDSoft5
Dark and Flat calibration, Alignment and Sigma Reject combine in Maxim
Curves, Contrast Adjustment, Levels in PS CS4
Flesherton, Ontario
Sept 2009