DayStar Filters - Quark Gemini Combo Chromosphere and Prominence Filter
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The DayStar Quark Gemini Combo is a dual-mode Hydrogen Alpha solar filter that gives users the ability to switch between Chromosphere and Prominence views with ease. Designed as a flexible solution for advanced solar observing and imaging, the Gemini Combo brings two distinct H-alpha experiences into one compact package, allowing detailed study of both the Sun’s dynamic surface and its dramatic limb activity.
Unlike the standard Quark, the Combo model is designed for telescopes equipped with their own telecentric systems or for setups where users prefer to apply their own barlows or focal extenders. This makes it especially well-suited for higher-end refractors, large-aperture instruments, and optical systems requiring more control over magnification and spacing.
Chromosphere mode reveals fine surface structures such as filaments, active regions, fibrils, and plage, while Prominence mode enhances off-limb features including loops, spicules, and eruptive events. Switching between modes is fast and seamless, powered by a simple USB connection and stabilized by precise electronic temperature control.
Key Features
• Dual-mode Hydrogen Alpha filter with Chromosphere and Prominence settings
• Combo version for use with external telecentric or barlow systems
• Ideal for refractors of f/15 to f/30 when paired with appropriate optics
• Integrated etalons and blocking filters in a single compact unit
• Electronic temperature regulation ensures stable bandpass performance
• USB-powered with quick mode switching for versatile observing and imaging
• Suitable for advanced solar photographers and serious visual observers
The DayStar Quark Gemini Combo offers a powerful, adaptable platform for exploring the Sun in Hydrogen Alpha, making it an excellent choice for users who need maximum flexibility and high-quality performance in a single solar filter system.