|
Cant really comment on CCDIns for collimation, but I would second Pauls Advice. Then what I do after that is bring a star field to focus then adjust the secondary collimation bolts based on the star shapes in the corners of the frame, rotate the frame 90 deg and check again. Since you use a square detector, this may not be a step you need to do, bit the stl11000, yes. draw some diagrams that show you which collimation bolt does what to the star field through trial and error. It's quite sensitive I have found, and I think the 4 bolts make it easier than 3 since 4 bolts mean the collimation axis are orthogonal to each other.
Josh
|