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Solar Astronomy

The Sun is the only object in astronomy that changes visibly within an hour, and the only one that can permanently damage your eyes in a fraction of a second. Done with proper equipment, solar observing is the most accessible branch of the hobby, no dark sky, no late night, no travel. David Astro carries solar astronomy products in Canada: hydrogen-alpha telescopes, white-light filters, Calcium-K modules, wedges and dedicated solar accessories, in Canadian inventory and shipped domestically.

Safety here is absolute, and we will not sell an unsafe combination. If you are unsure whether a filter or setup is appropriate, ask us before you point anything at the Sun.

Filters

$59.00 USD - $59.00 USD
$59.00 USD
$59.00 USD - $59.00 USD
$59.00 USD

Daystar Quantum Rear Combo plate - SCT/T

Adapts Daystar Quantum filters to common astronomy threads Provides female T-threads (M42x0.75) for cameras and imaging accessories Features male ...

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$59.00 USD - $59.00 USD
$59.00 USD
$59.00 USD - $59.00 USD
$59.00 USD
$17,990.00 USD - $17,990.00 USD
$17,990.00 USD
$17,990.00 USD - $17,990.00 USD
$17,990.00 USD

Daystar Quantum Sodium D Solar Filter - 0.4Å PE Grade

Targets the Sodium D emission line at 5895.9Å Ultra-narrow 0.4Å bandpass for high-contrast views Professional Edition (PE) grade for research appl...

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$17,990.00 USD - $17,990.00 USD
$17,990.00 USD
$17,990.00 USD - $17,990.00 USD
$17,990.00 USD
$79.00 USD - $79.00 USD
$79.00 USD
$79.00 USD - $79.00 USD
$79.00 USD

Daystar Quark 2"/1.25" Male Silver Snout Pack for Camera Quark or Scout

Provides both 1.25" and 2" male snouts for universal focuser compatibility Screws onto the front of a Daystar Classic Quark or Camera Quark Secure...

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$79.00 USD - $79.00 USD
$79.00 USD
$79.00 USD - $79.00 USD
$79.00 USD
$1,295.00 USD - $1,295.00 USD
$1,295.00 USD
$1,295.00 USD - $1,295.00 USD
$1,295.00 USD

Daystar Quark Chromosphere Solar Filter

All-in-one Hydrogen-Alpha solar filter Chromosphere model optimized for solar surface detail Integrated 4.3x telecentric barlow Fits standard 1.25...

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$1,295.00 USD - $1,295.00 USD
$1,295.00 USD
$1,295.00 USD - $1,295.00 USD
$1,295.00 USD
$2,595.00 USD - $2,595.00 USD
$2,595.00 USD
$2,595.00 USD - $2,595.00 USD
$2,595.00 USD

Daystar Quark Combo Gemini Chrom/Prom Switchable Solar Filter

Instantly switch between Chromosphere (≤0.5Å) and Prominence (≥0.6Å) views Contains two independent, hand-matched SE-grade Fabry-Perot etalons Opt...

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$2,595.00 USD - $2,595.00 USD
$2,595.00 USD
$2,595.00 USD - $2,595.00 USD
$2,595.00 USD
$1,295.00 USD - $1,295.00 USD
$1,295.00 USD
$1,295.00 USD - $1,295.00 USD
$1,295.00 USD

Daystar Quark for Questar Chromosphere Solar Filter

All-In-One Hydrogen-Alpha Solar Filter Tuned for Chromosphere (Surface) Detail Designed Exclusively for Questar Telescopes USB-Powered for Field U...

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$1,295.00 USD - $1,295.00 USD
$1,295.00 USD
$1,295.00 USD - $1,295.00 USD
$1,295.00 USD
$1,295.00 USD - $1,295.00 USD
$1,295.00 USD
$1,295.00 USD - $1,295.00 USD
$1,295.00 USD

Daystar Quark for Questar Prominence Solar Filter

Transforms a Questar telescope into a Hydrogen-alpha solar telescope Prominence model optimized for high-contrast views of solar limb activity All...

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$1,295.00 USD - $1,295.00 USD
$1,295.00 USD
$1,295.00 USD - $1,295.00 USD
$1,295.00 USD
$2,595.00 USD - $2,595.00 USD
$2,595.00 USD
$2,595.00 USD - $2,595.00 USD
$2,595.00 USD

Daystar Quark Gemini Chrom/Prom Switchable Solar Filter

Dual switchable Fabry-Perot etalons for Hydrogen-Alpha (6562.8 Å) viewing Instantly select a ≤0.5Å bandpass for chromosphere detail or a ≥0.6Å...

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$2,595.00 USD - $2,595.00 USD
$2,595.00 USD
$2,595.00 USD - $2,595.00 USD
$2,595.00 USD
$1,295.00 USD - $1,295.00 USD
$1,295.00 USD
$1,295.00 USD - $1,295.00 USD
$1,295.00 USD

Daystar Quark Prominence Solar Filter

All-in-one Hydrogen-Alpha Solar Filter Prominence Model for Bright, High-Contrast Eruptions Integrated 4.3x Telecentric Barlow For F/4 to F/9 Refr...

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$1,295.00 USD - $1,295.00 USD
$1,295.00 USD
$1,295.00 USD - $1,295.00 USD
$1,295.00 USD
$59.00 USD - $59.00 USD
$59.00 USD
$59.00 USD - $59.00 USD
$59.00 USD

Daystar Quark to C adapter

Direct C-Mount Threading for Daystar Quark Adds 10mm of Optical Path Length Internal Knife-Edge Baffles for Maximum Contrast Lightweight 0.06 lb A...

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$59.00 USD - $59.00 USD
$59.00 USD
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$59.00 USD
$69.00 USD - $69.00 USD
$69.00 USD
$69.00 USD - $69.00 USD
$69.00 USD

Daystar Quark to C and Quark to T adapter Bundle

Includes both C-thread and T-thread adapters for Daystar Quark filters Provides a rigid, direct-thread connection to eliminate camera tilt and fle...

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$69.00 USD - $69.00 USD
$69.00 USD
$69.00 USD - $69.00 USD
$69.00 USD
$59.00 USD - $59.00 USD
$59.00 USD
$59.00 USD - $59.00 USD
$59.00 USD

Daystar Quark to T adapter

Connects T-thread cameras directly to a Daystar Quark Adds 10mm of spacing (flange-to-flange) Internal knife-edge baffles reduce reflections Rigid...

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$59.00 USD - $59.00 USD
$59.00 USD
$59.00 USD - $59.00 USD
$59.00 USD
Daystar QUARK Visual Focal Reducer
$199.00 USD - $199.00 USD
$199.00 USD
$199.00 USD - $199.00 USD
$199.00 USD

Daystar QUARK Visual Focal Reducer

Nominal 0.8X Focal Reduction Factor Designed Exclusively for Daystar Quark Filters Widens the True Field of View Increases Image Brightness for Pr...

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$199.00 USD - $199.00 USD
$199.00 USD
$199.00 USD - $199.00 USD
$199.00 USD
$59.00 USD - $59.00 USD
$59.00 USD
$59.00 USD - $59.00 USD
$59.00 USD

Daystar Rear Red Side - 1.25" Drawtube Snout

1.25" Barrel Diameter Direct Fit for Daystar Quark Solar Filters Accepts Standard 1.25" Eyepieces Description FAQ Specifications In the Box Dow...

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$59.00 USD - $59.00 USD
$59.00 USD
$59.00 USD - $59.00 USD
$59.00 USD
$69.00 USD - $69.00 USD
$69.00 USD
$69.00 USD - $69.00 USD
$69.00 USD

Daystar Rear Red Side - From SCT Thread to 2" Female Drawtube

Adapts standard SCT male threads to a 2" female drawtube Enables the use of 2-inch diagonals, eyepieces, and accessories Durable, single-piece met...

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$69.00 USD - $69.00 USD
$69.00 USD
$69.00 USD - $69.00 USD
$69.00 USD
$69.00 USD - $69.00 USD
$69.00 USD
$69.00 USD - $69.00 USD
$69.00 USD

Daystar Red Side Plate for Mounting 4X Powermate

Adapts the TeleVue 4X Powermate to Daystar Quantum or ION filters Creates a shorter, more rigid optical train Features a male M48x0.75 thread and ...

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$69.00 USD - $69.00 USD
$69.00 USD
$69.00 USD - $69.00 USD
$69.00 USD
$995.00 USD - $1,195.00 USD
$995.00 USD - $1,195.00 USD
$995.00 USD - $1,195.00 USD
$995.00 USD

Daystar Scout 60mm DS Solar Telescope

60mm Dedicated Solar Telescope Narrow 'Doublestack' Bandpass High-Contrast Hydrogen-Alpha Views Precision Front Helical Focuser Integrated Solar B...

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$995.00 USD - $1,195.00 USD
$995.00 USD - $1,195.00 USD
$995.00 USD - $1,195.00 USD
$995.00 USD
$1,595.00 USD - $1,595.00 USD
$1,595.00 USD
$1,595.00 USD - $1,595.00 USD
$1,595.00 USD

Daystar Scout 60mm Solar Telescope Chromosphere

60mm Aperture Dedicated Hydrogen Alpha Solar Telescope Targets the Sun's Chromosphere Helical Front-Focuser Solar Bullet Projection Finder 16mm Cl...

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$1,595.00 USD - $1,595.00 USD
$1,595.00 USD
$1,595.00 USD - $1,595.00 USD
$1,595.00 USD
$1,595.00 USD - $1,595.00 USD
$1,595.00 USD
$1,595.00 USD - $1,595.00 USD
$1,595.00 USD

Daystar Scout 60mm Solar Telescope Prominence

60mm Aperture Dedicated Hydrogen Alpha Solar Telescope "Prominence" Model for High-Contrast Limb Detail Helical Front-Focuser Integrated Solar Bul...

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$1,595.00 USD - $1,595.00 USD
$1,595.00 USD
$1,595.00 USD - $1,595.00 USD
$1,595.00 USD
$2,495.00 USD - $2,495.00 USD
$2,495.00 USD
$2,495.00 USD - $2,495.00 USD
$2,495.00 USD

Daystar Scout 80mm Solar Telescope Chromosphere

80mm Aperture Dedicated Solar Telescope Optimized for Chromosphere (Hydrogen-Alpha) Viewing Integrated Etalon and Blocking Filter System Robust, G...

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$2,495.00 USD - $2,495.00 USD
$2,495.00 USD
$2,495.00 USD - $2,495.00 USD
$2,495.00 USD
$2,495.00 USD - $2,495.00 USD
$2,495.00 USD
$2,495.00 USD - $2,495.00 USD
$2,495.00 USD

Daystar Scout 80mm Solar Telescope Prominence

80mm Aperture Dedicated Solar Telescope Optimized for High-Contrast Solar Prominences Internal, USB-Powered Etalon Heater Precision Helical Focuse...

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$2,495.00 USD - $2,495.00 USD
$2,495.00 USD
$2,495.00 USD - $2,495.00 USD
$2,495.00 USD
$1,295.00 USD - $1,295.00 USD
$1,295.00 USD
$1,295.00 USD - $1,295.00 USD
$1,295.00 USD

Daystar Sodium Quark Solar Filter

Observes the Sodium D-Line at 5890 Å Bandpass of approximately 0.3-0.5 Angstroms Integrated 4.2X Telecentric Barlow Lens Designed for F/4 to F/9 R...

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$1,295.00 USD - $1,295.00 USD
$1,295.00 USD
$1,295.00 USD - $1,295.00 USD
$1,295.00 USD
$4,995.00 USD - $4,995.00 USD
$4,995.00 USD
$4,995.00 USD - $4,995.00 USD
$4,995.00 USD

Daystar Sol 100mm Dedicated Solar Telescope

100mm Aperture Dedicated Hydrogen-Alpha Solar Telescope 0.5Å or Narrower Bandwidth (Chromosphere Model) 1690mm Effective Focal Length (f/16.9) Ele...

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$4,995.00 USD - $4,995.00 USD
$4,995.00 USD
$4,995.00 USD - $4,995.00 USD
$4,995.00 USD
$1,995.00 USD - $1,995.00 USD
$1,995.00 USD
$1,995.00 USD - $1,995.00 USD
$1,995.00 USD

Daystar Sol 60mm Dedicated Solar Telescope

60mm Aperture Dedicated H-Alpha Telescope 930mm Effective Focal Length (f/15.5) Chromosphere Model: 0.5Å FWHM Bandwidth Electronic PID Tuning with...

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$1,995.00 USD - $1,995.00 USD
$1,995.00 USD
$1,995.00 USD - $1,995.00 USD
$1,995.00 USD

Ways to Observe the Sun Safely

Different wavelengths reveal completely different Suns. White light shows the photosphere and sunspots; hydrogen-alpha shows the chromosphere with prominences and filaments; Calcium-K shows the plage network above it.

  • White-light filters: Full-aperture film or glass filters fitted in front of the objective, showing sunspots, granulation and faculae. They must always be at the front, never at the eyepiece.
  • Hydrogen-alpha telescopes: Dedicated instruments with sub-angstrom etalons that isolate the 656.28 nm line, revealing prominences at the limb and filaments and flares on the disc.
  • Solar filter modules: Etalon and blocking filter assemblies that convert a suitable refractor into a hydrogen-alpha instrument.
  • Calcium-K filters: Narrow filters at 393 nm showing the chromospheric network, best captured with a camera since the wavelength is at the edge of human sensitivity.
  • Herschel wedges: High-contrast white-light observing for refractors, diverting most solar energy out of the optical path rather than reflecting it back.
  • Solar accessories: Finders, blocking filters, tuning aids and mounting hardware designed for daytime work.

Why Choose David Astro for Solar Astronomy

This is the one category where getting the recommendation wrong has consequences beyond a disappointing view.

  • Safety verified, not assumed: We confirm that any filter is full-aperture and front-mounted, and we will not supply eyepiece-end solar filters, which can fail catastrophically under concentrated heat.
  • Aperture limits for etalon modules: Front-mounted etalons have maximum aperture and focal ratio limits, and exceeding them risks both poor performance and thermal damage. We check your telescope against them.
  • Authorized dealer: Genuine solar equipment with full manufacturer warranty, critically important in a category where counterfeit filters exist.
  • Inspection and service: We can inspect solar filters for pinholes and coating damage, which should be done before every season.

Solar Astronomy in Canada: Frequently Asked Questions

Can I use an eyepiece-mounted solar filter?

No. Filters that screw into an eyepiece sit where the telescope has concentrated the Sun's full energy, and they can crack without warning. Only full-aperture filters mounted at the front of the telescope are safe.

White light or hydrogen-alpha first?

White light is far less expensive and shows sunspots and granulation well. Hydrogen-alpha shows prominences and surface activity that white light cannot, and is the more dramatic view, at several times the cost.

How do I know my filter is still safe?

Hold it up to a bright indoor light and look for pinholes, scratches or delamination in the coating. Any visible defect means it should be replaced, not repaired or taped.

Can I observe the Sun in winter?

Yes, and low winter sun means long atmospheric path and often poor seeing, but activity is visible year round. Cold also keeps etalon tuning more stable than a hot summer afternoon does.

Starting with solar observing?

Tell us your telescope and we will confirm a safe, effective setup. Genuine filters, Canadian stock, expert guidance.