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Old 14-10-2017, 09:18 PM
raymo
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raymo is offline
 
Join Date: Sep 2011
Location: margaret river, western australia
Posts: 6,070
If you centre a target using a low power eyepiece, you could go indoors
and have a snack and a cup of coffee, and when you return, the target won't
have moved much. Plenty good enough for most visual needs that I can
think of.
raymo
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