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Orion SkyGlow Broadband Filter - 1.25" Round Mounted

Item # OR-5660

Availability: In stock

$79.99
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Quick Overview

  • The Orion SkyGlow Filter works best for moderately light-polluted skies and for high contrast views of deep sky objects, especially nebulae.
  • Presented in a 1.25" round format in a threaded, anodized aluminum cell.
  • The Orion SkyGlow Filter blocks the most common forms of light pollution, including pollution from mercury-vapor lights.
  • High transmissions of hydrogen-alpha, hydrogen-beta and doubly ionized oxygen wavelengths.
  • The Orion SkyGlow Filter also works well on planetary images, especially Jupiter.

Orion SkyGlow Broadband Filter - 1.25" Round Mounted

Orion 1.25" SkyGlow Light Pollution Reduction Astronomy Filter

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.

Orion SkyGlow Astronomy Filter Features...

  • 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
Orion Product Number: 5660
SKU OR-5660
Manufacturer Orion
Type of Filter Contrast Booster, Light Pollution Reduction
Filter Usage Imaging, Visual
Single or Set? Single Filter
Filter Size 1.25"
Filter Shape Round
Filter Mounted? Mounted
Warranty Orion Limited Warranty
  • Orion SkyGlow Light Pollution Reduction Astronomy Filter - 1.25"

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