Quote:
Originally Posted by Slawomir
Unless your polar alignment is inaccurate and then you get field rotation with long subs, in particular when imaging near celestial pole, or there still may be flex between the guide camera attached to the OAG and the main camera...  Both happened to me...  |
That's true -
I replaced the standard screws with Allen head bolts
that I could tighten up properly so my OAG would not move -
see here:
https://www.flickr.com/photos/247194...in/photostream
cheers
Allan