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IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
Daystar SR 127mm Solar Telescope Prominence - SE Grade
Daystar SR 127mm Solar Telescope Prominence - SE Grade
Daystar SR 127mm Solar Telescope Prominence - SE Grade
Daystar SR 127mm Solar Telescope Prominence - SE Grade

Daystar SR 127mm Solar Telescope Prominence - SE Grade

by Daystar Filters
SKU DAY-SR127QTP
$7,995.00 - $7,995.00
$7,995.00
$7,995.00 - $7,995.00
$7,995.00
Price Match Policy!
  • 127mm Aperture Solar Telescope
  • Dedicated Hydrogen-Alpha System
  • Prominence-Tuned for Solar Limb Events
  • SE (Standard Edition) Grade Filter
  • Integrated Daystar H-alpha Filter
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • Daystar SR 127mm Solar Telescope Prominence - SE Grade

    The Daystar SR 127mm Solar Telescope is a complete, dedicated H-alpha instrument designed for high-resolution views of solar prominences. This model integrates a 127mm doublet refractor with Daystar's renowned filtration technology, optimized specifically for capturing the dynamic, high-contrast structure of events at the Sun's limb. The SE Grade filter ensures excellent visual and imaging fidelity for detailed observation of our home star.

    The Daystar SR 127mm Dedicated Solar Telescope

    Unlike modular filters like the Quark, the SR 127mm is an integrated solar telescope. This all-in-one design ensures that all optical components are perfectly matched and aligned for solar observation, eliminating the compromises and compatibility issues that can arise from adapting third-party telescopes. With a 127mm aperture, this telescope gathers significantly more light and achieves higher resolution than smaller-aperture solar scopes, revealing finer details in filaments, flares, and the intricate structure of prominences.

    Prominence Tuning: Optimized for Solar Limb Dynamics

    This version of the SR 127mm is "Prominence" tuned, meaning its H-alpha filter has a bandpass tailored for maximum brightness and contrast on features seen at the edge of the solar disk. This allows erupting prominences, loops, and sprays to stand out vividly against the blackness of space. The trade-off for this optimization is slightly reduced contrast on the fine, low-contrast details of the solar chromosphere, such as spicules and granulation, which are better served by Daystar's "Chromosphere" tuned models.

    SE Grade Filtration: High-Contrast Views for Visual and Imaging

    Daystar's SE (Standard Edition) Grade filters are designed to deliver excellent solar views for both visual observers and many imagers. SE Grade optics provide high-contrast images and good filter uniformity across the field of view, suitable for full-disk views and imaging with a wide range of cameras. While the PE (Professional Edition) Grade offers a higher specification on bandpass uniformity for scientific or highly demanding imaging applications, the SE Grade represents the optimal balance for most amateur solar astronomy.

    Daystar SR 127mm: Choosing Your Configuration

    When selecting a Daystar solar telescope, the primary choices involve tuning and filter grade. This model is configured for a specific use case, but it's important to understand the alternatives.

    • Prominence vs. Chromosphere Tuning: The Prominence model, as featured here, excels at bright limb detail. A Chromosphere-tuned model would use a narrower bandpass to increase contrast on the Sun's surface at the expense of prominence brightness.
    • SE Grade vs. PE Grade: This SE Grade model is the standard for high-quality amateur observation. The PE Grade is a premium option offering tighter tolerances on filter uniformity, primarily benefiting those doing professional research, high-magnification imaging, or seeking the absolute highest level of optical perfection.

  • What is the main advantage of the Daystar SR 127mm Prominence model?

    The main advantage is its optimization for viewing and imaging solar prominences. The filter's bandpass is specifically set to make these structures, which are visible at the edge of the Sun, appear as bright and detailed as possible against the dark background of space. This makes it ideal for observing dynamic events like solar flares and coronal mass ejections (CMEs) as they erupt from the limb.

    How does the SE Grade filter in the SR 127mm compare to the PE Grade?

    The SE (Standard Edition) Grade filter provides excellent performance for the majority of visual observers and imagers, with high-contrast views and good filter uniformity. The PE (Professional Edition) Grade offers a higher level of precision with stricter tolerances on bandpass uniformity across the entire filter. PE Grade is typically chosen by scientific institutions or advanced imagers who require the most flawless data possible, while SE Grade offers a superb experience for amateur solar astronomy.

    What kind of solar events can I see with the SR 127mm Prominence telescope?

    With its 127mm aperture and prominence-focused tuning, you can observe a wide range of solar phenomena. Key targets include:

    • Prominences: Large, arching structures of plasma at the solar limb.
    • Solar Flares: Bright, intense bursts of energy, especially visible when they occur at the limb.
    • Filaments: These are the same as prominences, but seen against the bright solar disk, appearing as dark, snake-like lines.
    • Active Regions: While surface contrast is lower than a chromosphere model, you can still easily see the bright plage surrounding sunspots.

    Is the SR 127mm Prominence telescope good for imaging a full solar disk with prominences?

    Yes. The SR 127mm is an excellent platform for imaging. Its 127mm aperture provides the resolution needed for detailed close-ups of active regions and prominences. To capture the full solar disk, you may need to use a focal reducer or create a mosaic, depending on the focal length of the telescope and the size of your camera's sensor.

    Do I need any other filters to use the Daystar SR 127mm safely?

    No. The Daystar SR 127mm is a dedicated and integrated solar telescope. It includes all necessary filtration for safe H-alpha solar observing. You should never add another white-light or front-mounted solar filter to a dedicated H-alpha telescope, as this will prevent the system from working correctly.

    What is the difference between this dedicated SR 127mm telescope and a Daystar Quark filter?

    The SR 127mm is a complete telescope where the optics and filter are a single, optimized unit. A Daystar Quark is a modular filter that you add to a standard nighttime refractor you already own. While a Quark is a versatile way to start solar observing, a dedicated system like the SR 127mm offers superior performance because the entire optical train is designed specifically for H-alpha wavelengths, eliminating compromises in performance.

  • Telescope Type Dedicated H-Alpha Solar Telescope
    Aperture 127mm
    Filter Tuning Prominence
    Filter Grade SE (Standard Edition)

    • Daystar SR 127mm Solar Telescope

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