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Is this collimated?


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its difficult to tell from that picture but if I had to guess I'd say it looks a fraction off. It's difficult to say but it looks like the reflection of the secondary in the primary is showing the edge of secondary holder suggesting the primary isn't looking straight ahead as it should. The gap between the primary and the tube edges looks a bit big too, although that could be a trick of the light.

Can you take some more photos? Is it a fast scope (eg f5 or above)? They're usually offset. 

Shouldn't a Cheshire have cross hairs?

If you haven't already check out this guide:

http://www.astro-baby.com/astrobaby/help/collimation-guide-newtonian-reflector/

Edited by Mr niall
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