colinsk
(Carpal Tunnel)
04/28/08 10:41 PM
Re: Using a Nightime H-Alpha filter for Solar view
Here is another great diagram of the H-alpha dip in power compared to different passband widths.
http://www.brayebrookobservatory.org/BrayObsWebSite/HOMEPAGE/PageMill_Resources/TO%26SO1.5set-up/c-line.jpg