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Orion SkyGlow Broadband Filter - 1.25" Round Mounted

ITEM #
OR-5660
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  • Regular price $49.99

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  • For observers viewing through a telescope from suburban or city skies, the Orion SkyGlow filter can significantly improve the quality of your view
  • The SkyGlow filter enhances deep-sky observations in moderately light-polluted skies
  • Broadband filter blocks the most common wavelengths of light pollution for increased contrast and better views
  • SkyGlow eyepiece filters improve views of nebulas, galaxies as well as open and globular star clusters
  • 1.25" filter compatible with all 1.25" Orion telescope eyepieces and filter-threaded 1.25" accessories

DESCRIPTION

Orion SkyGlow Broadband Filter - 1.25" Round Mounted

Light pollution is waging war on amateur astronomy. But don't surrender, fight back with an Orion SkyGlow broadband filter! It's an advanced multilayer "interference" filter that blocks the most common wavelengths of light pollution while passing desirable wavelengths with very little attenuation, yielding dramatically better deep-sky views.

SkyGlow filters feature improved blocking of mercury-vapor light and higher transmission at critical hydrogen-alpha and hydrogen-beta lines than competing filters, including expensive "premium" models. Bright, light-polluted skies appear much darker, and the contrast between object and sky is improved significantly.

The contrast-enhancement effect is particularly apparent when observing or photographing nebulas. Unlike stars, emission nebulas give off light in a very narrow range of wavelengths. SkyGlow broadband filters allow maximum transmission of the important wavelengths of hydrogen-alpha, hydrogen-beta and doubly ionized oxygen, the light bands most commonly emitted by nebulas. Views of galaxies and star clusters are also enhanced, although these objects don't show as dramatic an improvement as nebulas. (They emit a broad spectrum, so their brightness is reduced along with light pollution.)

An unexpected advantage of the SkyGlow filter is its improvement of planetary images, particularly of Jupiter, especially in conjunction with a color filter. Without any filters, this bright planet's cloud bands frequently appear only as faint smears. Pop in the filters, and distinct banding, knottings, and festoons appear, and the edges of Jupiter's disk stand out crisply.

SPECIFICATIONS

Accessory TypeContrast Booster & Light Pollution Reduction
Filter MountedMounted
Filter Side Adapter SizeRound
ManufacturerOrion
WarrantyOrion Limited Warranty