M15 showing Pease-1
Taken through a 10" RC Optical Systems Ritchey-Chretien at f/9
SBIG ST-10XME with CFW-8
MI-250 Mount
Tierra del Sol,CA August 13, 2002
LRGB Luminance=2+2+5 minutes R(H-alpha)=15 minutes G=5 minutes B=7.5
minutes
RGB frames taken at 2X binning
Luminance taken at 1X binning
Red layer taken with a H-alpha filter.
Processed with Maxim/DL and Photoshop