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Old 28-07-2023, 11:47 AM
JA
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Location: Melbourne, Australia
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??? >>> Ahhhh.....

??? >>> Ahhhh.....

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Research paper in which used...
https://www.researchgate.net/publica...Uzbekistan#pf3

They used a wedge angle of 195" on a Celestron 11 with two 80mm holes 200mm apart.

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JA
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