Thread: How much coma in a 10" F4 Newtonian
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Old 13-12-2018, 04:18 PM
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CalvinKlein (Kelvin)
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CalvinKlein is offline 		 
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Ahhh gotcha Lol i'm looking the other way at this - as in out the OTA into space :-) 5mm out of 254mm didn't seem right.

I'm using an ASI183 which is 13.2 x 8.8mm and about 20 megapixels so I might be okay then.
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