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Thanks for the advice, using the reducer and a barlow together would definitely be contradictory and just a stop gap until getting another barlow.
Something else I hadn't considered is how the guiding might be affected by a barlow since I use an OAG and already I'm only getting about 2 or 3 usable stars on average for guiding without having to rotate it.
@muletopia the image you posted is impressive. I'll give it a go at the greater focal length and for at least an hour and see if I'm able to obtain similar results.
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