[APML] NGC 6914 Tech Pan Tri-color and CCD comparison

["Mike Cook, AF9Y" <mwcook@concentric.net>]

Chuck Vaughn and I have been comparing NGC6914 CCD and
Tech Pan images.  Here is a webpage showing both images:

http://www.webcom.com/af9y/ngc6914ccd.htm

(thanks to BenDaniel for the java tip)

One thing that you will notice is that the Tech Pan image has
extra blue in the lower half of the image.  Chuck believes this
is due to the extra UV portion of the spectrum include in the
Tech Pan image but not in the CCD.  I have my doubts that
there would be such an abrupt drop off going from top to
bottom.

Anyway, we're wondering if anyone out there has another
ngc6914 color image for comparison.  It would be especially
good if anyone else is using a wider blue filter.

Thanks,





Mike Cook, AF9Y
http://www.webcom.com/af9y
mwcook@cris.com




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