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Orion

Orion 1.25" Hydrogen-Beta Nebula Eyepiece Filter

SKU: ONHB1Q MFR: 05583
Due to Manufacturer Restrictions, This Item can NOT be Shipped to California.
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$105.99
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About this item

The Orion 1.25" Hydrogen-Beta Nebula Telescope Filter allows to see the faint and elusive Horsehead, California and Cocoon Nebulas. It blocks everything but the hydrogen-beta light these faint nebulas emit, providing the contrast needed for viewing. By isolating the hydrogen-beta spectral line centered at 486.1 nm in a 12nm band-pass and blocking other wavelengths, it effectively blackens the background sky, allowing the faint nebula to become clearly defined.

It increases contrast even under dark skies so you can visually capture these prized targets. Use with a moderate to large aperture telescope under clear, dark viewing conditions. Threaded to fit 1.25" and 2" eyepieces and diagonals.

Key Features

  • Perhaps the only way to see the faint and elusive Horsehead, California and Cocoon Nebulas
  • Selective band-pass filter transmits only the hydrogen-beta light these faint nebulas emit
  • Allows you to capture targets that are considered trophies of visual astronomy
  • Best used with a moderate to large aperture telescope and clear, dark skies
  • Threaded to fit 1.25" eyepieces and diagonal barrels

Technical Specs

Fits 1.25" eyepieces and diagonal barrels
Used for Watching Horsehead, California and Cocoon Nebulas
Warranty Orion warranty
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