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Daystar Quark for Questar Prominence Solar Filter
Daystar Quark for Questar Prominence Solar Filter

Daystar Quark for Questar Prominence Solar Filter

by Daystar Filters
SKU DAY-DSZQP
CA$1,813.00 - CA$1,813.00
CA$1,813.00
CA$1,813.00 - CA$1,813.00
CA$1,813.00
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  • Transforms a Questar telescope into a Hydrogen-alpha solar telescope
  • Prominence model optimized for high-contrast views of solar limb activity
  • All-in-one, electronically heated etalon design for on-band stability
  • Installs directly into the Questar optical path for a seamless fit
  • Powered by a standard USB connection (power supply not included)
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  • Description
  • FAQ
  • Specifications
  • In the Box
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  • Daystar Quark for Questar Prominence Solar Filter

    The Daystar Quark for Questar brings modern, electronically-heated Hydrogen-alpha filtering to the legendary Questar telescope. This all-in-one unit contains a Fabry-Pérot etalon, telecentric optics, and thermal regulation systems in a single device that installs directly into the Questar's optical path. The Prominence model is specifically designed to deliver the brightest, highest-contrast views of eruptive solar activity happening at the edge of the Sun.

    Instant H-alpha Astronomy for Your Questar Telescope

    Turn your classic Questar into a sophisticated solar observing instrument without a complex and expensive component stack. The Quark is an integrated solution that replaces the standard eyepiece holder, providing a simple and elegant way to witness the dynamic solar atmosphere in the specific wavelength of Hydrogen-alpha light.

    Optimized for Solar Prominences: High-Contrast Limb Detail

    This "Prominence" version of the Quark is engineered with a slightly wider H-alpha bandpass compared to its "Chromosphere" counterpart. This design choice results in a brighter image and boosts the contrast of faint structures against the blackness of space, making it the ideal choice for observing solar flares, erupting prominences, and delicate plasma loops extending from the solar limb.

    Integrated Design: A Seamless Fit for the Questar Optical Path

    Unlike generic solar filters, the Quark for Questar is custom-built to work with the specific optical and mechanical properties of the Questar telescope. It threads directly into the telescope, ensuring proper focus, optical alignment, and a secure connection. This purpose-built design eliminates the compatibility issues and optical compromises that can arise from adapting universal filters to this unique instrument.

    Quark Prominence vs. Chromosphere: Choosing the Right Filter for Your Goals

    Daystar offers two variants of the Quark to suit different observing priorities. Understanding the trade-off is key to selecting the right one for you.

    • Chromosphere Model Advantage: A Chromosphere Quark has a narrower bandpass. This increases contrast on the Sun's disk, revealing finer detail in surface features like filaments, plage, and granulation.
    • Prominence Model Advantage: The Prominence Quark's wider bandpass produces a brighter image that excels at showing faint, wispy detail in prominences against the dark sky. While surface detail is still visible, it is optimized for activity at the solar limb.

  • What makes the Daystar Quark for Questar different from a standard Quark?

    The Daystar Quark for Questar is specifically designed to integrate mechanically and optically with the Questar telescope. It features custom threading and housing to fit directly into the Questar's rear port, ensuring a secure fit and correct focal position without the need for adapters or modifications.

    Do I need an Energy Rejection Filter (ERF) with the Quark for Questar?

    Yes. To prevent focused heat from damaging the internal components of your Questar telescope and the Quark filter itself, a full-aperture Energy Rejection Filter (ERF) must be placed over the front of the telescope. Operating the Quark without a properly installed ERF can cause permanent damage to your equipment.

    How will the Daystar Quark for Questar Prominence model show a large solar flare?

    The Prominence model is ideal for this scenario. Its design prioritizes image brightness and contrast at the solar limb. A large solar flare will appear as a brilliant, sharply-defined eruption against the black background of space, allowing you to observe its structure and evolution with exceptional clarity.

    Can I use the Daystar Quark for Questar on other telescopes?

    No, this version is purpose-built for the Questar telescope only. Its specific threading and optical placement are not compatible with standard refractors, SCTs, or other telescope designs. Daystar produces other Quark models for use with different instruments.

    If I want to see fine granulation on the Sun's surface with my Questar, is this the right Quark?

    While the Prominence model will show some surface detail, it is not optimized for it. For prioritizing fine surface features like granulation and the intricate structure of filaments, the Daystar Quark Chromosphere model would be the better choice. Its narrower bandpass increases contrast on the solar disk at the expense of some prominence brightness.

    What power source does the Daystar Quark for Questar require to operate?

    The Daystar Quark is electronically heated and requires a stable power source to maintain its on-band wavelength. It is powered via a standard USB port and requires a power supply (such as a wall adapter or portable battery pack) capable of delivering sufficient amperage. Please consult the product manual for the specific power requirements.

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  • Daystar Filters Warranty