NGC3169 and NGC 3166

(click image for largest version available)

By Ken Crawford at Rancho Del Sol Observatory using a 20" RCOS Carbon Truss Ritchey-Chrétien Telescope.

RCOS 20"Truss @F 8.30 / IFW Filter wheel / Paramount ME
Yankee Robotics Trifid II 6303E
AstroDon -CL RGB Filters
Clr =255 minutes unbinned
RG = 135 minutes binned 2x2 each channel
Blue = 180 minute
CCDAutoPilot for unattended imaging With MaxDL
Processed with CCDStack