Thread: Test your scope
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  #17  
Old 20-01-2020, 04:59 PM
Wavytone
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Wavytone is offline
 
Join Date: Jul 2008
Location: Killara, Sydney
Posts: 4,147
Close doubles - with dissimilar brightness - offer the ultimate test. Start with the WDS catalog.

Sirius, Antares, Acrux just for starters. The one that will really test the scope is Rigel - small scopes under 10” won’t split it.
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