4 day old Moon


Mosiac made from 2 images, each a combination of 10, 0.005 second exposures.
SBIG STL-1001E CCD. 20" f/6.8 Dall-Kirkham cassegrain telescope at prime focus.


Combination of 20, 0.005 second exposures using an h-alpha filter.
SBIG STL-1001E CCD. 20" f/6.8 Dall-Kirkham cassegrain telescope at prime focus.