Thanks for having a go David. I think I can see the Big Spider's legs.
I too have a large dob (Bintel 300mm or 12 inch) and the views thru it are really very good. I long to have it on a equatorial mount and do fotos. We are building a fork equatorial for it but its taking ages and because of the changes during construction it is starting to look ugly even for a proto type... but looking at the prices of good equatorials that will carry the weight I cant see any other way than building one out of scrap.. the next one should be of a commercial standard we hope. However the fotos I get using the little 80 x 400 ar are very satisfying and the short f/l makes tracking less demanding..
alex
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