Thread: Observe Einstein Cross?
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Old 22-09-2009, 10:58 PM
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DavidU (Dave)
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Quote:
Originally Posted by mithrandir View Post
Mag 16.78. What size scope and seeing will that take?
A 32" at 200 mag with 5.5 vis magnitude limit, with very very good optics will do it. (But not in Melbourne)
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