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Home > Classifieds > Astromart Classifieds > Filters > Classified #97171

For Sale: Orion Schm-Cass SkyGlow Broadband Filter

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SkyGlow Broadband (#05658, $50, new $79.95) + $7 shipping.
Excellent condition.
From Orion:
Enhances All Objects
This contrast-enhancement effect is particularly apparent on nebulas. Unlike stars, emission nebulas give off light in a very narrow range of wavelengths. SkyGlow filters allow maximum transmission of the important wavelengths of hydrogen-alpha, hydrogen-beta, and doubly ionized oxygen-the ones most commonly emitted by nebulas. Views of galaxies and star clusters are also enhanced, although not as much.
 

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