Quote:
Originally Posted by Wavytone
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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Sirius, Antares - yes but Acrux?? Perhaps you mean Adhara? As for Rigel, I reckon in good conditions a 50mm will do it!