DayStar Filters Quantum H-Alpha Bandpass Filter (0.4Å, Standard Grade)

DayStar Filters Quantum H-Alpha Bandpass Filter (0.4Å, Standard Grade)

DayStar Filters Quantum H-Alpha Bandpass Filter (0.4Å, Standard Grade)

B&H # DA4QSE MFR # .4QSE
DayStar Filters Quantum H-Alpha Bandpass Filter (0.4Å, Standard Grade)

DayStar Filters Quantum H-Alpha Bandpass Filter (0.4Å, Standard Grade)

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Product Highlights

  • Hydrogen-Alpha Solar Filter
  • For Amateur and Limited Research Use
  • Enhances Surface Contrast
  • Electronic Doppler Tuning Control
  • 1.0 Å Offset Capability
  • Wavelength Output Accurate to 0.1Å
  • RS-232 Serial Port for Computer Control
  • Runs on 12 VDC Power
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  • 1Description

Mainly used to study the photosheric, chromospheric, prominence and atmospheric areas of the sun, Daystar Filters' 0.4Å bandwidth Quantum H-Alpha Bandpass Filter is built to specifically improve solar surface contrast and fine chromosphere details. The filter is installed at the rear of the OTA, rather than before the primary objective so it can be used on telescopes of virtually any aperture and easily move between a variety of scopes.

The filter comes calibrated for the H-alpha wavelength at 6562.8Å and using the electronic tuning system, which is accurate to 0.1Å, the wavelength can be offset as much as 1.0Å in either direction for Doppler shift compensation and to highlight specific areas. The Quantum is outfitted with an RS-232 serial port that allows it to be connected to a computer and enables remote viewing of the wavelength display and control of the tuning. It runs on 12 VDC power and comes with a 6' power cord and a set of international outlet plugs for the US, EU, UK, and Australia.

UPC: 702730990148
In the Box
DayStar Filters Quantum H-Alpha Bandpass Filter (0.4Å, Standard Grade)
  • 6' Power Cord
  • Set - International Power Plugs
  • Limited 10-Year Warranty
  • Table of Contents
    • 1Description
    Application Solar viewing
    Type Hydrogen-Alpha
    Bandpass 0.4 Å
    Wavelength 6562.8 Å
    ± 1.0 Å offset capability for Doppler shift observation
    Multi-Coated Yes
    Power Requirement 12 VDC
    Environmental Limits 32 - 104°F / 0 to 40°C
    Humidity: 20 - 80%, non-condensing
    Dimensions Diameter: 3.0" / 7.6 cm
    Length: 1.7" / 4.3 cm
    Length with filter mounting plates: 2.2" / 5.6 cm
    Weight 16.0 oz / 453.6 g

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