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DayStar Quantum SE H-Alpha 0.8A Filter


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  • More on the Way in 14 - 28 Days

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  • See Prominences of the Sun in High Contrast!
  • For Use with Refractors, SCTs, Maksutov.
  • Easy Operation.
  • Anti-reflection Coated BK-7 Glass.

Product Details

  • The DayStar Quantum H-Alpha 0.8 Angstrom Filter (Standard Edition) is calibrated for the H-Alpha wavelength at 6562.8 Angstrom revealing prominences in exceptional high contrast (see image below). Use it on a variety of telescopes as it is installed at the back of the OTA rather than the front. 

    Features of the DayStar Quantum H-Alpha 0.8A Filter

    • Live LCD readout of the filter's wavelength output (accurate to 0.1 Angstrom).
    • Red/blue wing shift buttons that can precisely tune wavelength up or down for Doppler studies.
    • Operates at 12VDC for field or batter use. A 100-240 power supply is included 
    • Serial port for computer control capability for on-screen display of filter readout. 

    Technical Details of the DayStar Quantum H-Alpha Filter

    • Wavelength: 6562.8 Angstrom.
    • Multi-Coated: Yes.
    • Environmental Limits: 32 - 104 degrees Farenheit / 0 to 40 degrees Celsius.
    • Humidity: 20 - 80%, non-condensing.
    • Dimensions Diameter: 3.0 inches.
    • Length: 1.7 inches.
    • Length with filter mounting plates: 2.2 inches.
    • Weight: 16.0 ounces.


  • specifications

    Filter TypeH Alpha
  • included items

    • Front and rear plates.
    • Power supply.
    • 6-foot power cord.
    • Set of international outlet plugs for US, EU, UK, and Australia.
    • Instructions.
    • Hard case.

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