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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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