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CURRENT ISSUE

    Moon

    Posted by Daniel Phillips
    on Wednesday, January 21, 2009
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    by Daniel B. Phillips

     

    scope: Takahashi E-180 <o:p></o:p>type: Corrected Newtonian<o:p></o:p>size: 180mm<o:p></o:p>focal length: 500mm<o:p></o:p>f~ ratio: 2.8<o:p></o:p>camera: SBIG ST10 XME<o:p></o:p>type: CCD<o:p></o:p>image type: Grayscale<o:p></o:p>exposures: 1 (1X 1/10 sec Ha filter) The Ha filter was used to suppress light, and the shortest possible exposure time was used.<o:p></o:p>on: 4/13/08<o:p></o:p>at: <st1:place w:st="on"><st1:City w:st="on">Vista</st1:City>, <st1:State w:st="on">California</st1:State></st1:place><o:p></o:p>

     

    Tags: Moon
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