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RE: (IAAC) Obj: Jonkherre 900 (PK 194+2.1) - Inst: 51cm f/10 classical Cassegrain



Steve,
> a rural site on a night I rated 8/10 for seeing and contrast.
I noted that you used a rating of 8/10 for seeing contrast. Would you please
explain your rating systems?
Clear Skies!
Art Russell
Atlanta, Georgia
mailto:artrussell@mindspring.com
http://Education.gsu.edu/spehar/
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