Re: Magnification needed to split tight doubles

Ioannis wrote:
After seeing Kurt's post, I searched a bit for the actual separation for Ras
Al. Some sources state 4.6", which according to your calculation would give
2.37', so this certainly falls into the "normal eye" domain.

All my sources (Dickinson, Tirion and Dunlop, Burnham) say 4.6
arcseconds, and moreover, Burnham says it hasn't changed in about a
couple of hundred years.

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