Thread: Ngc1532
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Old 14-02-2009, 08:21 AM
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gregbradley
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Quote:
Originally Posted by marc4darkskies View Post
Let's just say that at F11.7 I have to be pretty patient. I imagine F14 on your 180 would be similar. Not sure the benefit of going much more than that though (?) I'm not thrilled with the TOA 1.6x extender - it works but it's only a 40mm circle and not as flat as I'd like. Look forward to seeing the results you get.

Cheers, Marcus
Yes it will be an experiment but fortunately I can use it also for planetary work so if it doesn't work out it won't be for nothing.

Roland Christen posted about the benefits of long focal length APO imaging a while ago to obtain max resolution from your scope.

Greg.
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