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This is the OFFICIAL Astronomy Plus website. Be aware of website copy / Free Shipping in Canada for Orders Over 500 $ before txs.* Some exceptions may apply EXCEPTIONALLY CLOSED TO THE PUBLIC TO FULFILL ORDERS TUESDAY 20, WEDNESDAY 21, THURSDAY 22.

Narrowband (SHO)

  • Original price $339.00 - Original price $2,994.01
    Original price
    $339.00 - $2,994.01
    $339.00 - $2,994.01
    Current price $339.00

    Antlia SHO 3nm Narrowband PRO Filters

    Antlia SHO 3nm Narrowband Pro Filters Antlia SHO Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandpass. As the bandwid...

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    Original price $339.00 - Original price $2,994.01
    Original price
    $339.00 - $2,994.01
    $339.00 - $2,994.01
    Current price $339.00
  • Original price $250.00 - Original price $1,425.00
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    $250.00 - $1,425.00
    Current price $250.00

    Antlia SHO 4.5nm Narrowband EDGE Filters (SHO-EDGE)

    Antlia SHO 4.5nm Narrowband EDGE Filters Antlia SHO EDGE narrowband filter optimizes the FWHM (full width half maximum) to 4.5nm bandpass. The supp...

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    Original price $250.00 - Original price $1,425.00
    Original price
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    $250.00 - $1,425.00
    Current price $250.00
  • Original price $148.00 - Original price $216.00
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    Current price $148.00

    Svbony 7nm Dual-Band Nebula filter

    Svbony Filter 7nm Dual-Band Nebula Dual Narrow bandwidth H-Alpha/O-III 7nm narrowband filter properly designed for astrophotography both in light ...

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    Original price $148.00 - Original price $216.00
    Original price
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    Current price $148.00
  • Original price $202.00 - Original price $202.00
    Original price
    $202.00
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    Current price $202.00

    SVBONY SV160 2" SII Filter 7nm Narrow-Band for CCDs (W9122B)

    SVBONY SV160 2" SII Filter 7nm Narrow-Band for CCDs  SVBONY Sulfur II 7nm Extra Narrowband Filter transmits a 7nm bandwidth of light that is cente...

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    Original price $202.00 - Original price $202.00
    Original price
    $202.00
    $202.00 - $202.00
    Current price $202.00
  • Original price $439.00 - Original price $1,701.00
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    $439.00 - $1,701.00
    $439.00 - $1,701.00
    Current price $439.00

    Antlia SHO 3nm Narrowband PRO Highspeed Filters

    Antlia SHO 3nm Narrowband PRO Highspeed Filters Antlia's SHO 3nm Pro Highspeed Filters are further optimized for high-speed imaging systems by pre-...

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    Original price $439.00 - Original price $1,701.00
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    $439.00 - $1,701.00
    $439.00 - $1,701.00
    Current price $439.00
  • Original price $668.00 - Original price $668.00
    Original price
    $668.00
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    Current price $668.00

    Shelyak SOL'EX Optical Kit (ES0029)

    Shelyak SOL’EX OPTICAL KIT  Sol’Ex optical kit: all the optical elements to make your own Sol’Ex instrument, and make new images of the Sun. ...

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    Original price $668.00 - Original price $668.00
    Original price
    $668.00
    $668.00 - $668.00
    Current price $668.00
  • Original price $797.00 - Original price $2,390.00
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    $797.00 - $2,390.00
    Current price $797.00

    Antlia 2.5nm SHO Ultra Narrowband Filters 2'' Mounted

    Antlia 2.5nm SHO Ultra Filter 2'' Mounted The Antlia SHO 2.5nm Ultra series filters are made with quartz glass and undergo precisely controlled coa...

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    Original price $797.00 - Original price $2,390.00
    Original price
    $797.00 - $2,390.00
    $797.00 - $2,390.00
    Current price $797.00
  • Original price $214.00 - Original price $570.00
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    $214.00 - $570.00
    $214.00 - $570.00
    Current price $214.00

    Antlia SHO 7nm Narrowband Prime Filters 36mm (SHO-PRIME)

    Antlia SHO 7nm Prime Narrowband Pro Filters Antlia SHO Prime narrowband filter optimizes the FWHM (full width half maximum) to 7nm bandpass. The su...

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    Original price $214.00 - Original price $570.00
    Original price
    $214.00 - $570.00
    $214.00 - $570.00
    Current price $214.00
  • Original price $776.00 - Original price $2,093.00
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    $776.00 - $2,093.00
    $776.00 - $2,093.00
    Current price $776.00

    Chroma 3nm SII Filter

    Chroma 3nm SII Filter The Chroma 3nm SII Filter isolates the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is ...

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    Original price $776.00 - Original price $2,093.00
    Original price
    $776.00 - $2,093.00
    $776.00 - $2,093.00
    Current price $776.00
  • Original price $776.00 - Original price $2,093.00
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    $776.00 - $2,093.00
    $776.00 - $2,093.00
    Current price $776.00

    Chroma 3nm H-Alpha Filter

    Chroma 3nm H-alpha Filter The Chroma 3nm H-alpha Filter is essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 6...

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    Original price $776.00 - Original price $2,093.00
    Original price
    $776.00 - $2,093.00
    $776.00 - $2,093.00
    Current price $776.00
  • Original price $776.00 - Original price $2,093.00
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    $776.00 - $2,093.00
    $776.00 - $2,093.00
    Current price $776.00

    Chroma 3nm OIII Filter

    Chroma 3nm OIII Filter The Chroma 3nm OIII Filter isolates the 500.7nm primary emission line of doubly ionized oxygen. After H-alpha, this is the n...

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    Original price $776.00 - Original price $2,093.00
    Original price
    $776.00 - $2,093.00
    $776.00 - $2,093.00
    Current price $776.00
  • Original price $251.00 - Original price $667.00
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    Current price $251.00

    Astronomik OIII 6nm CCD Filter

    Astronomik Oiii 6nm CCD Filter The OIII-CCD Filter is suitable for imaging of OIII nebulas from observation sites with light pollution and from dar...

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    Original price $251.00 - Original price $667.00
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    $251.00 - $667.00
    Current price $251.00
  • Original price $174.00 - Original price $944.00
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    $174.00 - $944.00
    $174.00 - $944.00
    Current price $174.00

    ZWO H-alpha, OIII & SII 7nm Narrowband SHO Filters

    ZWO SHO Narrowband Filters The ZWO SHO Narrowband Filter Set contains one H-alpha, one OIII and one SII filter. Use it for tricolor CCD astrophotog...

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    Original price $174.00 - Original price $944.00
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    $174.00 - $944.00
    $174.00 - $944.00
    Current price $174.00
  • Original price $621.00 - Original price $1,863.00
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    $621.00 - $1,863.00
    $621.00 - $1,863.00
    Current price $621.00

    Chroma 5nm H-alpha Filter

    Chroma 5nm H-alpha Filter H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656.3nm, a na...

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    Original price $621.00 - Original price $1,863.00
    Original price
    $621.00 - $1,863.00
    $621.00 - $1,863.00
    Current price $621.00
  • Original price $525.00
    Original price $525.00 - Original price $525.00
    Original price $525.00
    Current price $470.00
    $470.00 - $470.00
    Current price $470.00

    Antlia OIII 3nm Narrowband PRO 2" Filter-OPEN BOX

    Antlia SHO 3nm Narrowband Pro Filters OPEN BOX, LIKE NEW Antlia SHO Pro narrowband filter optimizes the FWHM (full width half maximum) to 3nm bandp...

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    Original price $525.00
    Original price $525.00 - Original price $525.00
    Original price $525.00
    Current price $470.00
    $470.00 - $470.00
    Current price $470.00
    Save $55.00 Save $0.00
  • Original price $563.00
    Original price $563.00 - Original price $563.00
    Original price $563.00
    Current price $517.00
    $517.00 - $517.00
    Current price $517.00

    Baader 3.5 / 4nm f/3 Ultra-Highspeed Filters – CMOS-optimized Open Box (H-alpha / O-III / S-II)

    Baader 3.5 / 4nm f/3 Ultra-Highspeed Filters – CMOS-optimized (H-alpha / O-III / S-II) Baader H-alpha / O-III / S-II f / 3 Ultra-Highspeed Filter ...

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    Original price $563.00
    Original price $563.00 - Original price $563.00
    Original price $563.00
    Current price $517.00
    $517.00 - $517.00
    Current price $517.00
    Save $46.00 Save $0.00
  • Original price $546.00 - Original price $546.00
    Original price
    $546.00
    $546.00 - $546.00
    Current price $546.00

    Baader 4nm O-III filter CMOS-optimized - OPEN BOX (BAA-FCOIIIMSU-2 - OPEN)

    Baader 4nm O-III filter CMOS-optimized (OPEN BOX)     Baader has released a whitepaper guiding you how to select the best filter for your telesco...

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    Original price $546.00 - Original price $546.00
    Original price
    $546.00
    $546.00 - $546.00
    Current price $546.00
  • Original price $339.00 - Original price $881.00
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    $339.00 - $881.00
    $339.00 - $881.00
    Current price $339.00

    Astronomik SII 6nm CCD MaxFR

    Astronomik SII 6nm CCD MaxFR There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RASA the Epsil...

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    Original price $339.00 - Original price $881.00
    Original price
    $339.00 - $881.00
    $339.00 - $881.00
    Current price $339.00
  • Original price $251.00 - Original price $667.00
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    $251.00 - $667.00
    $251.00 - $667.00
    Current price $251.00

    Astronomik SII 6nm CCD Filters

    Astronomik SII 6nm CCD Filters This SII-CCD Filter is suitable for imaging of SII-regions from observation sites with light pollution and from dark...

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    Original price $251.00 - Original price $667.00
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    $251.00 - $667.00
    $251.00 - $667.00
    Current price $251.00
  • Original price $213.00 - Original price $566.00
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    $213.00 - $566.00
    $213.00 - $566.00
    Current price $213.00

    Astronomik SII 12nm CCD MaxFR Filter

    Astronomik SII 12nm CCD MaxFR Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RASA t...

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    Original price $213.00 - Original price $566.00
    Original price
    $213.00 - $566.00
    $213.00 - $566.00
    Current price $213.00
  • Original price $163.00 - Original price $427.00
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    $163.00 - $427.00
    $163.00 - $427.00
    Current price $163.00

    Astronomik SII 12nm CCD Filter

    Astronomik SII 12nm CCD Filter This SII Filter is suitable for imaging of SII-regions from observation sites with light pollution and from dark sit...

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    Original price $163.00 - Original price $427.00
    Original price
    $163.00 - $427.00
    $163.00 - $427.00
    Current price $163.00
  • Original price $339.00 - Original price $881.00
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    $339.00 - $881.00
    $339.00 - $881.00
    Current price $339.00

    Astronomik H-alpha 6nm CCD MaxFR Filter

    Astronomik H-alpha 6nm CCD MaxFR Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RAS...

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    Original price $339.00 - Original price $881.00
    Original price
    $339.00 - $881.00
    $339.00 - $881.00
    Current price $339.00
  • Original price $251.00 - Original price $667.00
    Original price
    $251.00 - $667.00
    $251.00 - $667.00
    Current price $251.00

    Astronomik H-alpha 6nm CCD Filter

    Astronomik H-alpha 6nm CCD Filter   This H-alpha Filter is suitable for imaging of Hydrogen nebulas from observation sites with light pollution and...

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    Original price $251.00 - Original price $667.00
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    $251.00 - $667.00
    $251.00 - $667.00
    Current price $251.00
  • Original price $209.24 - Original price $566.00
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    $209.24 - $566.00
    $209.24 - $566.00
    Current price $209.24

    Astronomik H-alpha 12nm CCD MaxFR Filter

    Astronomik H-alpha 12nm CCD MaxFR Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RA...

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    Original price $209.24 - Original price $566.00
    Original price
    $209.24 - $566.00
    $209.24 - $566.00
    Current price $209.24
  • Original price $163.00 - Original price $427.00
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    $163.00 - $427.00
    $163.00 - $427.00
    Current price $163.00

    Astronomik H-alpha 12nm CCD Filter

    Astronomik H-alpha 12nm CCD Filter The Astronomik H-alpha filter is a narrow band filter for CCD photography. The filter lets the H-alpha light of ...

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    Original price $163.00 - Original price $427.00
    Original price
    $163.00 - $427.00
    $163.00 - $427.00
    Current price $163.00
  • Original price $339.00 - Original price $881.00
    Original price
    $339.00 - $881.00
    $339.00 - $881.00
    Current price $339.00

    Astronomik OIII 6nm MaxFR CCD Filter

    Astronomik OIII 6nm MaxFR CCD Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RASA t...

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    Original price $339.00 - Original price $881.00
    Original price
    $339.00 - $881.00
    $339.00 - $881.00
    Current price $339.00
  • Original price $213.00 - Original price $566.00
    Original price
    $213.00 - $566.00
    $213.00 - $566.00
    Current price $213.00

    Astronomik OIII 12nm MaxFR CCD Filter

    Astronomik OIII 12nm MaxFR CCD Filter There is an ever growing demand for filters suitable for extremly fast optical systems like Celestron´s RASA ...

    View full details
    Original price $213.00 - Original price $566.00
    Original price
    $213.00 - $566.00
    $213.00 - $566.00
    Current price $213.00
  • Original price $163.00 - Original price $427.00
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    $163.00 - $427.00
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    Current price $163.00

    Astronomik OIII 12nm CCD Filter

    Astronomik OIII 12nm CCD Filter This Astronomik OIII-CCD Filter is suitable for imaging of OIII nebulas from observation sites with light pollution...

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    Original price $163.00 - Original price $427.00
    Original price
    $163.00 - $427.00
    $163.00 - $427.00
    Current price $163.00
  • Original price $677.00 - Original price $873.00
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    $677.00 - $873.00
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    Current price $677.00

    Shelyak Star'ex Low Resolution Optical Kit

    Shelyak Star'ex Low Resolution Optical Kit Star’Ex Low Resolution (LR) optical kit: all the optical elements to make your own Star’Ex LR instrument...

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    Original price $677.00 - Original price $873.00
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    $677.00 - $873.00
    Current price $677.00
  • Original price $308.00 - Original price $855.00
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    Current price $308.00

    Shelyak Star'ex high resolution optical kit

    Shelyak Star'ex high resolution optical kit  With Star’Ex (Star’Explorer), create your first High Resolution (HR) spectrograph yourself to observe ...

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    Original price $308.00 - Original price $855.00
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    $308.00 - $855.00
    $308.00 - $855.00
    Current price $308.00
  • Original price $1,742.00
    Original price $581.00 - Original price $1,742.00
    Original price $1,742.00
    $581.00 - $1,600.00
    $581.00 - $1,600.00
    Current price $581.00

    Antlia 2.8nm SHO Ultra Narrowband Filters 36mm unmounted

    Antlia 2.8nm SHO Ultra Filters 36mm unmounted The Antlia SHO 2.8nm Ultra series filters are made with quartz glass and undergo precisely controlled...

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    Original price $1,742.00
    Original price $581.00 - Original price $1,742.00
    Original price $1,742.00
    $581.00 - $1,600.00
    $581.00 - $1,600.00
    Current price $581.00
    Save up to $142.00 Save $0.00
  • Original price $74.00 - Original price $74.00
    Original price
    $74.00
    $74.00 - $74.00
    Current price $74.00

    SVBONY SV115 1.25 inch OIII Filter Narrowband 18nm, Cuts Light Pollution (F9186A)

    SVBONY SV115 1.25 inch OIII Filter Narrowband 18nm, Cuts Light Pollution  The 1.25" O-III filter useful for large aperture telescopes through wh...

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    Original price $74.00 - Original price $74.00
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    $74.00 - $74.00
    Current price $74.00
  • Original price $103.00 - Original price $103.00
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    $103.00
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    Current price $103.00

    SVBONY SV115 2 inch OIII Filter 18nm, Reducing Light Polution (F9186B)

    SVBONY SV115 2 inch OIII Filter 18nm Reducing Light Polution The O-III filter completely blocks virtually all other visible wavelengths of light ...

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    Original price $103.00 - Original price $103.00
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    $103.00
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    Current price $103.00
  • Original price $74.00 - Original price $74.00
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    $74.00 - $74.00
    Current price $74.00

    SVBONY SV132 1.25'' H-Beta 25nm Light Pollution Filter (W9102A)

    SVBONY SV132 1.25'' H-Beta 25nm Light Pollution Filter SV132 H-Beta eyepiece filter makes it possible to view the elusive Horsehead, California, a...

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    Original price $74.00 - Original price $74.00
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    Current price $74.00
  • Original price $202.00 - Original price $202.00
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    $202.00
    $202.00 - $202.00
    Current price $202.00

    SVBONY 2" OIII Deep Space Filter (W9121B)

    SVBONY 2" OIII Deep Space Filter SVBONY 2 inch OIII-CCD 7nm Narrow-Band Filter for Deep Sky 2" Mounted; can enhances the contrast between the targ...

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    Original price $202.00 - Original price $202.00
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    $202.00
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    Current price $202.00
  • Original price $148.50 - Original price $224.00
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    $148.50 - $224.00
    Current price $148.50

    SVBONY Narrowband Filters 1.25''/2''/EOS-C H-Alpha 7nm for CCD Cameras

    SVBONY Narrowband Filters 1.25''/2''/EOS-C H-Alpha 7nm for CCD Cameras Optical high precision double sided polishing to ensure that the parallelis...

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    Original price $148.50 - Original price $224.00
    Original price
    $148.50 - $224.00
    $148.50 - $224.00
    Current price $148.50
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