Filter usage recommendation by David Knisely
Posted: Wed Oct 11, 2006 11:57 pm
Very useful info from CN (I think Elton always had a copy of this article everytime he went to Mersing).
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Filter usage recommendation by David Knisely
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Posted: Thu Oct 12, 2006 2:20 pm
This info was actually posted there on CN for a long time. Useful reference, but not necessary to bring for use, just bring a narrowband and O-III filter.
Posted: Thu Oct 12, 2006 9:49 pm
What do you mean by narrowband filter? Which one are you referring to?rlow wrote:This info was actually posted there on CN for a long time. Useful reference, but not necessary to bring for use, just bring a narrowband and O-III filter.
What if webcams are used? What filters will be helpful?
Posted: Thu Oct 12, 2006 10:28 pm
Examples of narrowband filters are the Orion Ultrablock & Lumicon UHC filters.