I've just read this comment "4) "Piggy-back" photography cannot be done in ALT/AZ mode."
at this site http://www.galaxyphoto.com/faq.txt
and that was all that was said.
I've done a limited serch for clarification of this but without a lot of success. Can anyone here clarify this at all.
The context of the quote was in relation to a question about field de-rotators and the quote was for one of the disadvantages.
Does this apply when not using a field de-rotator