08 October 2004 ( C8 + NIKON D70)

by Christoph Petermann

First deepsky image with the Celestron C8 and NIKON D70 combination. Focus was poor as you can see inside the inset field. I also hampered around with the Radial Guider, which I used the first time too.


Here is a collection of 3 dark field crops from the original. I made the images after my photosession. The first image was taken outside when the camera was cold. The second began 20 min after the end of the first when the camera was already inside the warm house. Note the increase of noise !! The third image is a 10 min exposure with NOISE REDUCTION = ON. CLEAN !!


 Text and All Images are Copyright by Christoph Petermann DF9CY

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