DayStar Quantum PE H-Alpha 0.4A Solar Filter

  • Designed for the Study of the Photosheric, Chromospheric, Prominence and Atmospheric Areas of the Sun.
  • For Professional Research.
  • For Use with Refractors, SCTs, Maksutov.
  • Easy Operation.
  • Anti-reflection Coated BK-7 Glass.
  • Sale
  • Regular price $13,995.00

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DayStar Quantum PE H-Alpha 0.4A Solar Filter

The DayStar Quantum H-Alpha 0.4 Angstrom Solar Filter (Professional Edition) is calibrated for the H-Alpha wavelength at 6562.8 Angstrom and is engineered to be used mainly for the study of the photosheric, chromospheric, prominence and atmospheric areas of the Sun. With its 0.4 Angstrom bandwidth, observe improved solar surface contrast and solar prominences (see image below). Use it on a variety of telescopes as it is installed at the back of the OTA rather than the front.

The Quantum PE grade series is designed for professional research studies and applications in which precision homogeneity and on-band transmittance values across the substrate surface are required. These filters require additional quality control steps and additional fabrication and testing time.

DayStar Quantum PE H-Alpha 0.4A Filter Features

  • 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 PE H-Alpha 0.4A Filter

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


Filter TypeH Alpha


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