Daystar Instruments QUARK* Hydrogen Alpha "Eyepiece"
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    • Daystar Instruments QUARK* Hydrogen Alpha "Eyepiece"
    • Daystar Instruments QUARK* Hydrogen Alpha "Eyepiece"
    • Daystar Instruments QUARK* Hydrogen Alpha "Eyepiece"

    DayStar Quark Prominence (Demo Unit)

    1,149.00
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    DayStar Quark Prominence (Demo Unit)

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    DayStar Quark Prominence (Demo Unit)

    Description

    The DayStar Quark Prominence is an all-in-one Hydrogen-Alpha solar filter that converts a standard refractor telescope into a high-performance solar instrument. It combines a solid-state Fabry-Perot etalon, a 4.2x telecentric lens optimized for the 656 nm wavelength, and a complete blocking filter system covering from X-ray to infrared.

    The Prominence model provides a brighter image with a wider bandwidth, ideal for viewing solar prominences and limb details, while maintaining excellent image quality.
    No additional adapters are required — the Quark fits directly into a 1.25" or 2" diagonal and features a brass compression ring to protect eyepieces.

    The built-in tuning knob allows wavelength adjustment of ±0.5 Å with 0.1 Å detents, and a status LED indicates power, warming, and ready states. Powered by 5V USB at 1.5A, it can run all day on an optional portable battery.
    Optimized for f/4 to f/8 refractors, the Quark enables full-disk solar viewing on focal lengths up to 450 mm and includes a protective twist-lock storage case.

    Technical Specifications

    • Manufacturer: DayStar Instruments

    • Model: Quark Prominence

    • Type: H-alpha solar filter for refractors

    • Central wavelength: 656.28 nm (H-alpha)

    • Effective bandwidth: varies with telescope

    • Telecentric lens: integrated 4.2x doublet optimized for 656 nm

    • Blocking filter: 12 mm integrated

    • Clear aperture: 21 mm

    • Recommended focal ratio: f/4 to f/8

    • Connections: 1.25" or 2" nosepiece, 1.25" output

    • Focuser clamp: brass compression ring

    • Power supply: USB 5V – 1.5A

    • AC adapter: 90–240V with international plug set

    • Tuning control: ±0.5 Å, 0.1 Å increments

    • LED indicator: power / warming / ready / fault

    • Full-disk viewing: up to 450 mm focal length

    • Warranty: 5 years

    • Country of manufacture: USA

    • Case: included

    DayStar Quark Prominence Demo