Thursday, February 25, 2010

My First Prime Focus Astrophotograph of the Moon

 
Click for a larger view
This image shows a waxing gibbous moon at 91% of full, taken at about 2000h on 25 February 2010. This is the first astrophotograph that I have taken with my Celestron CGEM 800 telescope (ever!), using a Canon EOS Rebel T1i 15.1 MPixel camera.  I used the "Prime Focus" technique, where the camera is coupled directly to the telescope using a T-Ring for Canon AF plus the Celestron T-Adaptor-SC #93633-A.  This is a mosaic constructed from two images, each taken at ISO 100 at 1/200s on the Manual monochrome setting.  I used the Hugin software package to stitch and blend the images using 9 manually entered correspondence points.

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