The Horsehead Nebula in One-Shot-Color

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Filters

Posted by Al Milano 12/22/2012 12:00AM

The Best Kept Secret In Nebula Filters! DGM Optics!

Posted by Paulo Mesquita 06/09/2010 12:00AM

Easy as pie!!

Posted by Robert Piekiel 09/20/2007 12:00AM

Does the new specialty filter from Orion do what they say it does, and is it useful for other objects?

Posted by Matt Tarlach 06/28/2007 12:00AM

It works! And not just on moonglow...

Posted by Timo-Pekka MetsÃ¤lÃ¤ 04/27/2005 12:00AM

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.

Posted by David Paessler 02/16/2005 12:00AM

How would you like a weightless aperture gain?

Posted by Clayton Cramer 08/30/2004 12:00AM

An inexpensive way to improve both color and magnification limits of your achromatic refractor.