M51 with ST200XM in color
(click image for Full resolution image)
Date: 4/12/2005
Location: Ada, MI
Optics: Vixen VC200L 8" f6.3
Mount: AP400GTO
Camera: SBIG ST-2000XM
Exposure: L(HaR)GB: L=24x5min unfiltered/unbinned, R=G=B=Ha=4x5min,2xbinned, Astronomik RGBHa filters (200 Minutes Total)
Note: Captured, dark subtracted, flat field, aligned, SD Mask combined and color combined in MaximDL. Final Processing in PS CS.