In a message dated 8/7/2007 8:33:01 PM Central Daylight Time,
rdcrisp@... writes:

were the filters you used the baader planetarium narrowbands?

Yes. Part of this experiment was to see how well they work here under my
conditions of light pollution. The 7nm bandwidth certainly cuts out 99.9% of the
bad light and allows fairly deep reach into the sky.

Rolando


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