• Explore Scientific UHC Nebula Filter 1.25" — Boost Contrast on Galaxies and Nebulae
  • Explore Scientific UHC Nebula Filter 1.25" — view 2
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Explore Scientific

Explore Scientific UHC Nebula Filter 1.25" — Boost Contrast on Galaxies and Nebulae | Telescope Wolves

Explore Scientific UHC Nebula Filter 1.25" — Boost Contrast on Galaxies and Nebulae | Telescope Wolves

$109.99
$109.99
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The Explore Scientific UHC nebula filter (1.25") boosts contrast on nebulae by cutting through light pollution. A UHC (Ultra High Contrast) filter passes the key emission wavelengths that nebulae glow at — hydrogen-beta and OIII — while blocking the yellow-orange bands of streetlights and skyglow, making faint emission nebulae stand out far more clearly from suburban skies.

UHC filters are a favorite first nebula filter for visual observers, offering strong contrast gains on a wide range of emission nebulae without the narrow, single-line focus of an OIII filter.

Who it's for

For visual observers who want stronger contrast on emission nebulae from light-polluted skies. New to filters? See our guide to the best telescope filters for beginners.

Key features

  • Ultra High Contrast design passing H-beta and OIII emission bands.
  • Blocks light pollution for clearer, higher-contrast nebulae.
  • Versatile on many emission nebulae — broader than a single-line OIII filter.
  • 1.25-inch threaded cell for standard eyepieces and accessories.
  • A great first nebula filter for suburban observers.
Specifications
Brand Explore Scientific
Model 310215
Type UHC (Ultra High Contrast) nebula filter
Passbands H-beta and OIII emission bands
Size 1.25-inch threaded

Frequently asked questions

How is UHC different from OIII?
UHC passes a slightly wider set of emission bands (H-beta and OIII), making it versatile across many nebulae, while an OIII filter is narrower and maximizes contrast on oxygen-rich targets specifically.

Will it help galaxies?
UHC filters are for emission nebulae. Galaxies and star clusters are broadband and benefit more from a broadband light-pollution filter.

Does it fit my telescope?
It threads into standard 1.25-inch eyepieces and accessories. Choose the 2-inch version for 2" eyepieces.

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Frequently Asked Questions

With a beginner telescope you can see a surprising amount — the craters and mountains on the Moon, the rings of Saturn, the moons of Jupiter, and star clusters like the Pleiades. As you get more comfortable, you can also spot nebulae and distant galaxies. Not sure which beginner telescope is right for you? Check out our Telescope Buying Guide.
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