Quote:
Originally Posted by strongmanmike
Why would I need an offset, I have a GEM isn't that centralised..?
Mike
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I think Paul means when you point your scope at the zenith without an offset, you will be looking at the inside of the dome. So offset it a little so you can see through the slit. You said you had 6 inch's on the outside to do that.
Styrofoam - lasts for ages, its not readily biodegradable.
Josh