Quote:
Originally Posted by Joshua Bunn
Ahh yes, thats an effective and simple method. in you're situation this works a treat because you dont have to collimate you're scope. With scopes that have adjustable collimation, this is not so easy because if the collimation is out a little, the focus distances will be a little different on oposite sides of the chip - regardless of tilt. this has been my experience.
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Indeed I'd suspect you be chasing your tail if collimation had to be done as well.
By the way...
real world result is here
I've also found that when you get down to these levels that, not just the star field used with CCD inspector, but also differing exposures of the same field show small tilt variations.