Re: Standard magnitude

From: Jonathan T Wojack (tlj18@juno.com)
Date: Fri Dec 22 2000 - 09:35:34 PST

  • Next message: Rainer Kracht: "Unknown 001203"

    > > According to the formula
    > > A - 15.75 + 2.5 x log (BxB/C),
    > 
    > > where A = the Standard magnitude,
    > > where B = the range in kilometers, and
    > > where C = the satellite illumination,
    > 
    > > If I input 5.94 for A, 1000km for B, and 75% for C, I get +5.50.
    > 
    > > Conclusions?
    > 
    > The equation is wrong, or at best incomplete. 
    
    Well, I'm told that it is the formula used in SatSpy.  What formula, may
    I ask, did you use to derive +5.94 from an observed magnitude of +5.00
    from a range of 1000 km at 75% 'illumination'?
    
    ------------------------------
    Jonathan T. Wojack                 tlj18@juno.com
    39d45'N   75d33'W
    
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