Orion SkyGlow Filter - 1.25-inch

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  • Ideal for enchancing deep-sky observations in moderately light-polluted skies
  • For viewing form suburban or city areas.
  • To significantly improve the quality of your view
  • Blocks out the most common wavelengths of light pollution
  • Assist in a better viewing experience
  • Compatible with filter-threaded 1.25'' accessories.
  • Designed to imporve views of nebulas,galaxies as well as globular star clusters.
OUR PRICE $139.95
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    The broadband telescope filter blocks out the most common wavelengths of light pollution while letting through desireable wavelengths with little attenuation, resulting in high-contrast, much clearer better deep-sky views.

    The filter is able to make light-polluted skies appear much darker, at the same time enhancing the colours of deep sky objects. Thanks to the improved blocking of mercury-vapor light and higher transmission at critical hydrogen-alpha and hydrogen-beta lines.

    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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