Quote:
Originally Posted by luigi
Ty Andrew,
Ok this is going to be hard.
Maybe someone knows the answer...
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not hard if you can do basic math, try this
http://astro.unl.edu/classaction/ani...lescope10.html
this will give you an idea, if you want exact do the maths, estimate the eyepiece sizes to get an overall feeling. OR do some research on eyepieces available at the time to narrow it down, Id assume it was a fairly big eyepiece 20mm or more?