SV152 Refractor @ f/8
SX Trius SX694
Atik EFW2 Filter Wheel Astrodon LRGB/Ha Filters Mach1GTO CP3
L=20x15min R=13x15min G=14x15min B=14x15min Ha=8x20min Total Exposure=18hrs + This image was taken with a APM dedicated flattener. The flattener worked very well but the difference between f/8 and f/6 in acquiring data is significant. Much more integration time was needed for this image.