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The Orion Mars Filter
By
Robert Piekiel
9/20/2007
Does the new specialty filter from Orion do what they say it does, and is it useful for other objects?
Baader Moon & Skyglow Filter
By
Matt Tarlach
6/28/2007
It works! And not just on moonglow...
IDAS Light Pollution Suppression filter
By
Timo-Pekka Metsälä
4/27/2005
The IDAS LPS filter is said to effectivly block unwanted sky glow. Let's find out if the filter is any use for webcam imaging in a suburban location.
Astronomik Narrowband Filters
By
David Paessler
2/16/2005
How would you like a weightless aperture gain?
Baader Planetarium Fringe Killer
By
Clayton Cramer
8/30/2004
An inexpensive way to improve both color and magnification limits of your achromatic refractor.
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