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stevek
Pooh-Bah
Reged: 04/16/06
Posts: 1229
Loc: west michigan
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Re: Best light pollution filters?
07/18/08 12:16 PM
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Thanks David (again). What I hadnt fully understood was what was meant by saturation. My 'mental picture' of this term was that the filter actually started letting in light at the blocked wavelengths - which seemed unlikely. Yer da man 
Steve
--------------------
DSO 8" f6 DOB w/ 8x50 RACI & 2"Crayford
1958 Sears Discoverer 76mm Refractor
GSO SV 30mm 2",21mm Hyp,13mm Strat,BO/TMB ver2-6mm & 4mm
1.25"Filters: DGM-NPB, 25%ND
1.25" plossls: 25mm,20mm,15mm,9mm
Orion 2X Shorty Barlow
Garrett Gemini LW 11x56mm binocs
BTG-10 4.0mW green laser pointer
"What is that burning in the sky? Tell me y'all..." Jeff Beck/Jan Hammer
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