Apollo 13 Earth-based coordinates

From: William Keel (wckeel@comcast.net)
Date: Wed Jul 03 2013 - 19:05:11 UTC

  • Next message: George Roberts: "Re: Apollo 13 Earth-based coordinates"

    As an addition to my collection of telescopic observations of Apollo  
    missions en route to and from the Moon at
    http://astronomy.ua.edu/keel/space/apollo.html
    I recently received a before-and-after set of photographs of the  
    Apollo 13 debris cloud from a 0.4m telescope at Mt. Kobau, British  
    Columbia,
    taken by Frank Younger. It would give nice double-checks on both image  
    scale and (especially) orientation if I could identify the
    stars in the background. Does anyone know a good way to work out the  
    apparent position of Apollo 13 at the time of the explosion
    (03:07:53 UT on 14 April 1970) from Mt. Kobau (119d 30m W, 49d 07m N)?  
    The "before" shot would also have been an observation very
    shortly after sunset so if I can ID the stars I can say something  
    about their magnitudes and the sky brightness.
    
    Thanks,
    
    Bill Keel
    
    --------------------------------------------------------------------------------------
    William C. Keel                                        205-348-1641  
    (office)
    Professor, Physics and Astronomy      205-348-5051 (fax)
    Box 870324                                              205-348-5050  
    (dept.)
    University of Alabama                             http://astronomy.ua.edu/keel
    Tuscaloosa, AL 35487-0324, U.S.A.    wkeel@bama.ua.edu
    --------------------------------------------------------------------------------------
    
    
    
    
    
    
    
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