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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.
Shelyak Eyepiece Holder for Guiding

Shelyak Eyepiece Holder for Guiding

par Shelyak
UGC SHK-SE0135
$359.00 - $359.00
$359.00
$359.00 - $359.00
$359.00
Égalisation de prix!
  • Enables direct visual guiding for spectrographs
  • Accepts standard 1.25" eyepieces
  • Replaces the need for a dedicated guide camera and software
  • Designed for the Alpy 600 and UVEX guiding modules
  • Ideal for educational settings and short exposures on bright stars
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  • Description
  • FAQ
  • Warranty

  • Shelyak Eyepiece Holder for Guiding

    The Shelyak Eyepiece Holder for Guiding provides a direct, visual alternative to electronic autoguiding for Alpy 600 and UVEX spectrographs. It accepts a standard 1.25" eyepiece, allowing you to manually guide on bright targets without the complexity of managing a second camera. This accessory is designed specifically to integrate with the Shelyak guiding module, simplifying spectroscopic sessions for educational outreach and practical astronomy.

    Simplify Your Setup: From Guide Camera to 1.25" Eyepiece

    For many spectroscopic applications, particularly in educational or outreach settings, the complexity of running a second camera for guiding can be a significant hurdle. This holder replaces the guide camera on the Alpy or UVEX guiding module, eliminating the need for extra cables, power, and control software. You simply insert a 1.25" reticle eyepiece and guide by eye, keeping your focus on the science target and the spectrograph itself.

    A Solution for Education and Bright Targets

    This accessory was developed based on requests from university educators who needed a simpler way to conduct practical sessions with students. When managing a primary science camera and spectrograph, adding an autoguider introduces another layer of potential issues. By enabling visual guiding, this holder makes it feasible to perform spectroscopy on bright stars, where exposure times are short and the precision of an autoguider is not strictly necessary.

    Visual vs. Autoguiding: Understanding the Trade-Off

    While a dedicated guiding camera offers superior efficiency and precision for long exposures on faint objects, it is not always the required tool for the job. This eyepiece holder is a relevant and practical solution when simplicity outweighs the need for automated accuracy. It allows for quick setup and immediate visual confirmation on the guide star, making it a highly effective tool for its intended purpose of simplifying short-exposure and educational spectroscopy.

  • What is the purpose of the Shelyak Eyepiece Holder for Guiding?

    This holder is designed to replace a guide camera on a Shelyak Alpy 600 or UVEX guiding module. It allows you to insert a standard 1.25" eyepiece and guide your telescope visually, which simplifies the setup by removing the need for a second camera, computer connection, and guiding software.

    Can I use this Eyepiece Holder directly on my Alpy 600 spectrograph?

    No. This accessory is only compatible with the Shelyak guiding module for the Alpy 600 and UVEX spectrographs. It cannot be attached directly to the spectrograph itself; it must be installed on the guiding module in place of the guide camera.

    Would the Eyepiece Holder be a good choice for a student project on Vega (Alpha Lyrae) with an Alpy 600?

    Yes, this is an ideal scenario. Vega is an extremely bright star, so exposure times will be very short. Using the Eyepiece Holder allows a student to easily keep the star centered visually, simplifying the data acquisition process and avoiding the complexities of setting up an autoguiding camera for a target that doesn't require it.

    Why would I choose this Eyepiece Holder over a dedicated autoguiding camera?

    You would choose this holder for simplicity and speed. It's perfect for educational settings, public outreach, or any situation involving short exposures on bright targets where the setup time and complexity of an autoguider are unnecessary. For long exposures on faint targets, a dedicated autoguiding camera remains the more efficient solution.

    I'm demonstrating spectroscopy with an 8" SCT at a public outreach event. Is this holder suitable?

    Absolutely. An outreach event is a perfect use case. It allows you to quickly acquire a bright star, keep it centered by eye using a reticle eyepiece, and focus on explaining the spectrum to the public without being tethered to a laptop running guiding software. It makes for a much more streamlined and reliable demonstration.

    What size eyepiece does the Shelyak Eyepiece Holder accept?

    The holder is designed to accept standard 1.25" eyepieces. A crosshair or reticle eyepiece is recommended for precise visual guiding.

  • Shelyak 1-Year Warranty