Quote:
Originally Posted by Peter Ward
I've been tinkering with my camera and RHA set-up for some time now, but finally decided to nail down the camera orthogonality over the last few nights.
It just took a bit of math, plus knowing the step increment of my focuser.
Mating various adapters, Filter wheel etc. basically meant the system had a residual tilt of 0.012mm. Some shim stock did the rest.
Have to say I'm pretty pleased with the results.
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Still a bit to take out I reckon.
In all seriousness I had not noticed any tilt in your previous images. Looks pretty flat across the field too.