SBIG ST-4000XCM
1x15minImager Temp -20CAPM/TMB 130/780Field Flattener
Full Frame
Link to Larger JPEGCan you see the nebula???
This is the central 50% or so of a single 15 minute exposure of Abell 31.
Same issue with a more sensitive ST-10 camera.
January 13, 2010