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Full  Moon  Mosaic

    When the moon is full, the contrast is low. This mosaic of 5 CCD images was  enhanced with mild van Cittert deconvolution and unsharp masking to improve the visibility of small features. By far the largest amount of image processing was in trying to match the components of the mosaic in brightness and contrast. In spite of the fact that all the images were taken within 30 minutes of each other using the identical setup and exposures, the edges in the original mosaic were very obvious and can still be seen.

 Date  06 June 2001
 Scope  Astro-Physics 130 f6 on A-P 900 GTO mount
 Exposure  Meade 416XTE CCD camera, no filters, 0.01 sec    

 Cropping and van Cittert deconvolution in AIP4Win,

    mosaic assembled, matched, and unsharp masked in Photoshop  

Here's another full moon, taken with a Canon 10D digital camera at prime focus on the RC telescope in four panels and composited in Photoshop. 

 Date  03 April 2004
 Scope  RCOS Ritchey-Chretien 12.5 inch at f/6.75 on A-P 1200 GTO mount
 Exposure  Canon 10D digital SLR camera, no filters, 1/125 sec. Four different areas taken within 5 minutes

 Cropping, levels, curves, and mosaic assembled, matched, and unsharp masked in Photoshop CS 

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