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    Re: Angular Distance Between Stars
    From: Alexandre Eremenko
    Date: 2012 Sep 14, 13:54 -0400

    Greg,
    It is the same formula that is used for the Lunar distances
    to compensate for refraction.
    It can be found in Chauvenet, or in any other Lunar distance manual.
    
    Alex.
    
    On Fri, 14 Sep 2012, Greg Rudzinski wrote:
    
    >
    > What is the best on-line calculator for figuring the angular distance between stars ?
    >
    > This on line calculator uses right ascension (hours, minutes, seconds) and 
    declination (degrees, minute, seconds) and is not a good match for the 
    Nautical Almanac which lists stars by sidereal hour angle and declination. An 
    online calculator that uses sidereal hour angle and declination would be a 
    better match to the Nautical Almanac.
    >
    > http://celestialwonders.com/tools/starAngleCalc.html
    >
    >
    > Greg Rudzinski
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