Solar Astronomy

Modular Combo Quark accessory system — choose the kit that fits your setup Two telecentric barlows (2.8X and 4.3X) with 13 internal baffles each T...

4.3X Telecentric Barlow Optimized for Daystar Combo Quark H-alpha Filters Designed for F/5 to F/9 Refractors Maximizes Surface Contrast Enables Fu...

All-in-one Hydrogen-Alpha solar filter for chromosphere viewing Optimized for F/15 to F/30 refractors, SCTs, and Maksutovs Bandpass generally 0.5Å...

All-in-one Hydrogen-Alpha solar filter Prominence Model optimized for limb detail Compatible with F/15 to F/30 refractors and off-axis SCTs/Maks R...

Full-aperture solar energy rejection filter for refractors Available in 80mm, 100mm, 130mm, and 150mm clear apertures Rejects harmful UV and IR ra...

Off-axis energy rejection filter (ERF) for Schmidt-Cassegrain Telescopes Safely isolates a smaller aperture for high-contrast solar viewing Availa...

Adapts Daystar Quark filters for use with 2" eyepieces Maximizes the field of view for full-disk solar observation Features a non-marring brass co...

Creates Uniform Flat Fields for Solar Imaging Spun Aluminum Mounting Ring for Durability High-Quality Polymer Diffuser Available for Telescope Tub...

Fits standard 2-inch focusers and visual backs Provides a male T-thread (M42x0.75) output Designed for front-mounting on Daystar filter systems En...

Connects SCT-threaded components to T-threaded accessories Designed for Daystar solar filter systems Fits the Q3GWTF Quantum Front Wedge Plate Mac...

Directly Mounts TeleVue 4X Powermate to Daystar Quantum or ION Filters Replaces the Standard 2-inch Powermate Drawtube Significantly Shortens the ...

Dual focal reduction: 0.5x native and 0.33x with included extension Adapts 2" focusers to T-mount (M42x0.75) cameras Includes a 20mm T-threaded ex...

Observe the unique Magnesium I (Mg I) solar spectral line All-in-one design fits standard 1.25" and 2" diagonals Integrated 4.2X telecentric Barlo...

Adapts Nikon-mount lenses to Daystar Quark Solar Filters Enables H-alpha solar viewing and imaging with telephoto lenses Allows lens's zoom featur...

Directly connects a TeleVue 4x Powermate to Daystar Quantum or ION filters Creates a shorter, more rigid optical train for solar imaging Replaces ...

Targets the Calcium II H-Line Emission Optimized for Visual and Imaging Use Reveals Lower Chromospheric Detail Produces a High-Contrast Violet Ima...

Targets the Calcium II K-line at 393.3nm 2Å Bandpass for high-contrast chromospheric detail PE (Professional Edition) Grade for research applicati...

Features 1.375"x24TPI female threads Designed for Daystar Quantum series solar filters Precision-machined for a secure, light-tight fit Descri...

Description FAQ Specifications In the Box Warranty Daystar Quantum Front Flat T Plate The Daystar Quantum Front Flat T Plate (Q3GFTF) is ...

Enables off-axis solar imaging with Daystar Quantum filters on SCTs Features a standard female T-thread (M42x0.75mm) connection Precision-wedged t...

Bandpass options from 0.8Å down to 0.3Å for specific solar targets Live LCD readout of the precise wavelength output, accurate to 0.1Å Red/blue pu...

Choice of 0.7-0.9Å (Prominence) or 0.3-0.5Å (Chromosphere) H-alpha Bandpass SE (Standard Edition) Grade for most amateur and some academic applica...

Observes in the rare Helium D3 line at 5875.61Å Ultra-narrow 0.3Å bandpass for maximizing contrast Professional Edition (PE) grade for research-le...