Product Details

• Description
• Specifications
• Included Items
• Reviews
• Recommended Accessories

• The DayStar Quantum H-Alpha 0.7 Angstrom Filter (Standard Edition) is calibrated for the H-Alpha wavelength at 6562.8 Angstrom revealing prominences in exceptional high contrast and surface texture (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 0.7A 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 SE 0.7A Solar 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.
  • Requires ERF or UV/IR cut filter, plus Powermate Barlow or stop down mask to reach f/27-f/35 focal ratio for best performance (user-supplied).

• specifications

  Filter Type

  H 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.