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[APML] A rough comparison


Hi:

And I mean rough:  Both images were made with 120 min of exposure.  The 
first at f5, the second at f5.6.


http://www.light-to-dark.com/witch_10d_sv105.html

http://www.light-to-dark.com/whead.html


They weren't taken at the same time.  But, since I stretched about the 
same in each, the starting signal was about the same, except for the 
near lack of H-emission response in the 10D.

Unscientifically yours,

Stephen Pitt

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