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Exceptionally closed to the public to fulfill orders Tuesday to Thursday, until the end of March. OPEN FOR PICKUP ONLY TUESDAY TO SATURDAY. It may take more time than usual to fulfill orders due to eclipse orders.
Exceptionally closed to the public to fulfill orders Tuesday to Thursday, until the end of March. OPEN FOR PICKUP ONLY TUESDAY TO SATURDAY. It may take more time than usual to fulfill orders due to eclipse orders.

Astrodon

Astrodon is known for designing the best performing, most durable, premium filters for astronomical imaging and research.
  • Original price $611.53 - Original price $2,011.63
    Original price
    $611.53 - $2,011.63
    $611.53 - $2,011.63
    Current price $611.53

    Astrodon 5nm Red Continuum Filter

    Astrodon 5nm Red Continuum Filter The Astrodon 5nm Red Continuum Filter (645 nm, 5 nm FWHM) produces a star map without the H-a or SII emission in ...

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    Original price $611.53 - Original price $2,011.63
    Original price
    $611.53 - $2,011.63
    $611.53 - $2,011.63
    Current price $611.53
  • Original price $611.53 - Original price $2,011.63
    Original price
    $611.53 - $2,011.63
    $611.53 - $2,011.63
    Current price $611.53

    Astrodon 5nm OIII Filter

    Astrodon 5nm OIII Filter The next filter to complement your LRGBH-a set is the Astrodon 5nm OIII Filter. OIII (“ohthree”) emits light near 500 nm a...

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    Original price $611.53 - Original price $2,011.63
    Original price
    $611.53 - $2,011.63
    $611.53 - $2,011.63
    Current price $611.53
  • Original price $611.53 - Original price $2,011.63
    Original price
    $611.53 - $2,011.63
    $611.53 - $2,011.63
    Current price $611.53

    Astrodon 5nm H-alpha Filter

    Astrodon 5nm OIII Filter The next filter to complement your LRGBH-a set is the Astrodon 5nm OIII Filter. OIII (“ohthree”) emits light near 500 nm a...

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    Original price $611.53 - Original price $2,011.63
    Original price
    $611.53 - $2,011.63
    $611.53 - $2,011.63
    Current price $611.53
  • Original price $2,004.31 - Original price $2,004.31
    Original price
    $2,004.31
    $2,004.31 - $2,004.31
    Current price $2,004.31

    Astrodon MMOAG Off-Axis Guider - 4 Guide Ports (MMOAG-4)

    Astrodon Off-Axis Guider Astrodon Off-Axis Guider MonsterMOAG (Manual Off-Axis Guider) allows you to guide your telescope to obtain sharp, round st...

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    Original price $2,004.31 - Original price $2,004.31
    Original price
    $2,004.31
    $2,004.31 - $2,004.31
    Current price $2,004.31
  • Original price $1,601.99 - Original price $1,601.99
    Original price
    $1,601.99
    $1,601.99 - $1,601.99
    Current price $1,601.99

    Astrodon MMOAG Off-Axis Guider - 3 Guide Ports (MMOAG-3)

    Astrodon Off-Axis Guider Astrodon Off-Axis Guider MonsterMOAG (Manual Off-Axis Guider) allows you to guide your telescope to obtain sharp, round st...

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    Original price $1,601.99 - Original price $1,601.99
    Original price
    $1,601.99
    $1,601.99 - $1,601.99
    Current price $1,601.99
  • Original price $1,199.66 - Original price $1,199.66
    Original price
    $1,199.66
    $1,199.66 - $1,199.66
    Current price $1,199.66

    Astrodon MMOAG Off-Axis Guider - 2 Guide Ports (MMOAG-2)

    Astrodon MMOAG Off-Axis Guider Astrodon Off-Axis Guider MonsterMOAG (Manual Off-Axis Guider) allows you to guide your telescope to obtain sharp, ro...

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    Original price $1,199.66 - Original price $1,199.66
    Original price
    $1,199.66
    $1,199.66 - $1,199.66
    Current price $1,199.66
  • Original price $797.34 - Original price $797.34
    Original price
    $797.34
    $797.34 - $797.34
    Current price $797.34

    Astrodon MMOAG Off-Axis Guider - 1 Guide Port (MMOAG-1)

    Astrodon MMOAG Off-Axis Guider Astrodon Off-Axis Guider MonsterMOAG (Manual Off-Axis Guider) allows you to guide your telescope to obtain sharp, ro...

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    Original price $797.34 - Original price $797.34
    Original price
    $797.34
    $797.34 - $797.34
    Current price $797.34
  • Original price $880.73 - Original price $2,286.67
    Original price
    $880.73 - $2,286.67
    $880.73 - $2,286.67
    Current price $880.73

    Astrodon LRGB Gen2 I-Series Tru-Balance Filter Set

    Astrodon LRGB Gen2 I-Series Tru-Balance Filter Set Astrodon LRGB Gen2 I-Series Tru-Balance Filter Sets were designed for cameras containing the Int...

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    Original price $880.73 - Original price $2,286.67
    Original price
    $880.73 - $2,286.67
    $880.73 - $2,286.67
    Current price $880.73
  • Original price $880.73 - Original price $4,409.48
    Original price
    $880.73 - $4,409.48
    $880.73 - $4,409.48
    Current price $880.73

    Astrodon LRGB Gen2 E-Series Tru-Balance Filter Set

    Astrodon LRGB Gen2 E-Series Tru-Balance Filter Set Astrodon LRGB Gen2 E-Series Tru-Balance Filter Sets have revolutionized CCD imaging. Their popul...

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    Original price $880.73 - Original price $4,409.48
    Original price
    $880.73 - $4,409.48
    $880.73 - $4,409.48
    Current price $880.73
  • Original price $277.97 - Original price $592.52
    Original price
    $277.97 - $592.52
    $277.97 - $592.52
    Current price $277.97

    Astrodon Clear Filter

    Astrodon Clear Filter The Astrodon Clear Filter is a UV-Blocked clear filter with 395nm cut-on (50% transmission at 395nm) and at least 97% transmi...

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    Original price $277.97 - Original price $592.52
    Original price
    $277.97 - $592.52
    $277.97 - $592.52
    Current price $277.97
  • Original price $32.19 - Original price $32.19
    Original price
    $32.19
    $32.19 - $32.19
    Current price $32.19

    Astrodon 52mm Screw-in Filter Cell (AD52MMCELL)

    Astrodon 52mm Screw-in Filter Cell The Astrodon 52mm Screw-in Filter Cell is for placing Astrodon 50 mm diameter filters in 52 mm threaded mounts f...

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    Original price $32.19 - Original price $32.19
    Original price
    $32.19
    $32.19 - $32.19
    Current price $32.19
  • Original price $907.06 - Original price $2,314.47
    Original price
    $907.06 - $2,314.47
    $907.06 - $2,314.47
    Current price $907.06

    Astrodon 3nm SII Filter

    Astrodon 3nm SII Filter If you want the look of Hubble Space Telescope (HST) images, such as the famous “Pillars of Creation” (the Eagle Nebula, Me...

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    Original price $907.06 - Original price $2,314.47
    Original price
    $907.06 - $2,314.47
    $907.06 - $2,314.47
    Current price $907.06
  • Original price $907.06 - Original price $2,314.47
    Original price
    $907.06 - $2,314.47
    $907.06 - $2,314.47
    Current price $907.06

    Astrodon 3nm OIII Filter

    Astrodon 3nm OIII Filter The next filter to complement your LRGBH-a set is the Astrodon 3nm OIII Filter. OIII (“ohthree”) emits light near 500 nm a...

    View full details
    Original price $907.06 - Original price $2,314.47
    Original price
    $907.06 - $2,314.47
    $907.06 - $2,314.47
    Current price $907.06
  • Original price $849.87 - Original price $2,314.47
    Original price
    $849.87 - $2,314.47
    $849.87 - $2,314.47
    Current price $849.87

    Astrodon 3nm NII Filter

    Astrodon 3nm NII Filter What about NII and H-a? This is a bit complicated. It is not well known that most H-a filters pass both H-a and NII. H-a em...

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    Original price $849.87 - Original price $2,314.47
    Original price
    $849.87 - $2,314.47
    $849.87 - $2,314.47
    Current price $849.87
  • Original price $907.06 - Original price $2,314.47
    Original price
    $907.06 - $2,314.47
    $907.06 - $2,314.47
    Current price $907.06

    Astrodon 3nm H-alpha Filter

    Astrodon 3nm H-alpha Filter H-α (hydrogen-alpha) at 656 nm (nanometers) is deep red in color and the most popular narrowband H-alpha filter. Hydrog...

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    Original price $907.06 - Original price $2,314.47
    Original price
    $907.06 - $2,314.47
    $907.06 - $2,314.47
    Current price $907.06
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