Quote:
Originally Posted by jbdave
Ok, I have no idea what's going on but I've never come across this before.
I set up my laptop, connected the guide camera like I normally do and started guiding. The problem is that when guiding was on, star trails went crazy. I turned it off and the mount's tracking did a much better effort.
I've used the guide camera plenty of times, and the settings looked ok, but no matter what I tried I couldn't get it to guide for me - it's like the guide camera told the mount to stop tracking at all, rather than assist it.
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Sounds exactly like what happened to me Sunday night. I wasted hours trying to get my guiding to behave, and in the end changing the cable between the QHY5 and the EQ6 mount did the trick. I still don't understand how a cable can generate periodic error, but it is what it looked like. Every minute or so the RA tracking would deviate, then catch up. Tried every trick in the book, without success, until I changed the cable.