• SVBONY SV227 SHO Narrowband Filter Set 5nm 1.25" — H-Alpha, O-III and S-II Filters for Astrophotography
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SVBONY SV227 SHO Narrowband Filter Set 5nm 1.25" — H-Alpha, O-III and S-II Filters for Astrophotography

SVBONY SV227 SHO Narrowband Filter Set 5nm 1.25" — H-Alpha, O-III and S-II Filters for Astrophotography

$178.99
$178.99
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The SVBONY SV227 SHO set is a three-filter narrowband kit — hydrogen-alpha (H-alpha), oxygen-III (O-III), and sulfur-II (S-II) — for monochrome deep-sky astrophotography. Each filter has a tight 5nm passband that isolates a single emission line, so you image each line separately and combine them into the striking false-color "Hubble palette" (SHO). The narrow bandwidth cuts light pollution and moonlight hard, delivering high contrast even from bright skies. All three are 1.25-inch threaded for standard filter wheels.

Who it's for
Monochrome-camera astrophotographers ready to shoot narrowband and assemble SHO-palette images. New to filters? See our guide to telescope filters.

  • Three narrowband filters: H-alpha, O-III, and S-II in one set.
  • Tight 5nm passbands: isolate each emission line for high contrast.
  • SHO / Hubble palette: combine the three channels into dramatic false color.
  • Strong skyglow rejection: works even under light pollution and moonlight.
  • 1.25-inch threaded: fits standard 1.25" filter wheels.
Specifications
Type Narrowband filter set (H-alpha, O-III, S-II)
Bandwidth 5nm (each filter)
Best For Monochrome cameras, SHO-palette imaging
Size 1.25" (threaded, set of 3)
Model / SKU SV227 (W9187A)

Do I need a monochrome camera?
Yes — narrowband SHO sets are designed for mono cameras that shoot each filter separately; the channels are combined in processing.

What is the SHO / Hubble palette?
It maps S-II, H-alpha, and O-III to red, green, and blue, producing the dramatic false-color look made famous by Hubble images.

Will these help under light pollution?
Yes — the 5nm passbands reject most skyglow and moonlight, so narrowband imaging works even from bright suburban skies.

Do they fit my filter wheel?
They're 1.25-inch threaded for standard 1.25" wheels — confirm your wheel's format before ordering.

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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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