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Astronomie solaire

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 rather than a matter of degree, 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.

Filtres

$1,595.00 - $1,595.00
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Télescope Solaire Modulaire LS60MT - Pressure Tuned

LSS-LS60MT/B600R&P

Doté de la meilleure résolution de sa catégorie et d'une configuration optique de qualité professionnelle Comprend : Télescope LS60MT avec mo...

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$1,595.00 - $1,595.00
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$3,595.00 - $3,595.00
$3,595.00
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$3,595.00

Lunt LS80MT H-Alpha Solar Telescope - Enhanced Kit

LSS-LS80MT-Enhanced

Aperture: 80mm ED Doublet Focal Length: 560mm Focal Ratio: f/7 Bandpass: <0.4 Å (Single-Stack) Blocking Filter: B1800 in 2" Diagonal Focuser: D...

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$3,595.00 - $3,595.00
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$4,695.00 - $4,695.00
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$4,695.00

Lunt LS80MT H-Alpha Solar Telescope - Premium PLUS Kit

LSS-LS80MT-Premium

Aperture: 80mm ED Doublet Focal Length: 560mm Focal Ratio: f/7 System Bandpass: <0.28Å (Double-Stacked) Tuning: Pressure-Tuned Doppler True Tun...

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$3,295.00 - $3,295.00
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$3,295.00

Lunt LS80MT H-Alpha Solar Telescope - Standard Kit

LSS-LS80MT-Standard

Aperture: 80mm ED Doublet Focal Length: 560mm Focal Ratio: F/7 Bandpass: ≤0.4 Ångström (Single-Stack) Tuning: Internal Pressure Tuner (Doppler Tru...

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$2,595.00 - $3,495.00
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$2,595.00

Lunt Télescope Solaire Modulaire LS80MT - Pressure Tuned

Options available

Le télescope modulaire Lunt LS80MT, doté de la meilleure résolution de sa catégorie et d'une configuration optique de qualité professionnelle ...

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$995.00 - $995.00
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Lunt PC-USB Contrôleur Pression

LSS-PCUSB

Le contrôleur de réglage de pression permet un contrôle facile à deux boutons de n'importe quel télescope à réglage de pression fabriqué par Lunt...

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$48.84 - $48.84
$48.84
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$48.84

Lunt SunLock Solar Alignment Finder

LSS-003-385

Red Dot Sun Finder for safe, precise solar alignment Glass projection plane provides a clear target Internal 3-point set screw system locks alignm...

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$48.84
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$48.84
Orion Optics UK OMC-200 Full-Aperture Solar Filter (Screw Fitting)
$550.74 - $550.74
$550.74
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$550.74

Orion Optics UK OMC-200 Full-Aperture Solar Filter (Screw Fitting)

OOUK-OMC200-FULL-APERTURE-SOLAR-FILTER

Full-aperture solar filter for Orion Optics UK OMC-200 telescopes Secure screw-on fitting prevents accidental detachment Military-grade aluminum c...

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$799.00 - $799.00
$799.00
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$799.00

Player One Apollo 428M MAX Mono Solar Camera

POA-Apollo-428M-MAX

Features a Sony IMX428 1.1-inch monochrome CMOS sensor Delivers 7.1 Megapixel resolution (3216×2208) for detailed solar imaging 4.5μm pixels provi...

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$999.00
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$999.00

Player One Apollo 428M MAX Pro Mono Cooled Solar Camera

POA-Apollo-428M-MAX-Pro

Sony IMX428 1.1" monochrome CMOS sensor with global shutter 7.1 Megapixel resolution (3216x2208) with 4.5μm pixels High frame rate of 51 FPS at fu...

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$999.00
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$499.00
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$499.00

Player One Apollo-C IMX174 Color Solar Camera

POA-Apollo-C

2.3 Megapixel Sony IMX174 color CMOS sensor Global shutter design eliminates motion artifacts from atmospheric turbulence Captures up to 164 FPS a...

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$499.00

Player One Apollo-M IMX174 Mono Solar Camera

POA-Apollo-M

Features the 2.3MP Sony IMX174 monochrome CMOS sensor Global shutter design eliminates motion artifacts from atmospheric turbulence Achieves a max...

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$499.00
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Player One Apollo-M MAX IMX432 Mono Solar Camera

POA-Apollo-M-MAX

1.1" Sony IMX432 Monochrome CMOS Sensor 9µm Pixel Size 100,000 e- Full Well Capacity 126 FPS at Full Resolution (1608x1104) Global Shutter for Dis...

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Player One Apollo-M MAX Pro Mono IMX432 Cooled Solar Camera

POA-Apollo-M-MAX-Pro

1.7 Megapixel Sony IMX432 Mono Sensor Large 9µm Pixel Size Massive 100k e- Full Well Capacity Global Shutter for Distortion-Free Imaging 126 FPS a...

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$399.00

Player One Apollo-M MINI IMX429 Mono Solar Camera

POA-Apollo-M-MINI

2.8 Megapixel SONY IMX429 monochrome sensor 4.5μm pixels for high-resolution solar and lunar imaging Global shutter eliminates motion artifacts fr...

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$399.00 - $399.00
$399.00
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$399.00
Player One ERF Filter S-series for Quark Chromosphere – 2"
Player One ERF Filter S-series for Quark Chromosphere – 1.25"
$49.00 - $89.00
$49.00 - $89.00
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$49.00

Player One ERF Filter S-series for Quark Chromosphere

Options available

Available in 1.25" and 2" filter sizes Energy Rejection Filter (ERF) for Quark Chromosphere Designed for refractors up to 5" (1.25" version) or 6"...

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$49.00 - $89.00
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$99.00
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$99.00

Player One Photosphere 7.5nm Filter E-series - 1.25"

POA-PS125E

Enhances Solar Photosphere Contrast Central Wavelength: 540nm Bandpass: 7.5nm Narrowband Format: 1.25" Mounted Filter Must Be Used With a Primary ...

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$79.00 - $79.00
$79.00
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$79.00

Player One Solar Fast Tilter

POA-SFT

Fast Tilt Adjustment Eliminates Newton's Rings Simple Two-Screw Control Designed for Solar Narrowband Imaging Standard 1.25" Barrel Description...

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$79.00
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Seestar S50 Replacement Solar Filter

ZWO-SS-SOLAR50
7 en stock

Designed for the Seestar S50 Essential to capture images of the Sun with the Seestar S50 Durable Polymer Film Description Specifications In the...

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Sky-Watcher Heliostar 100Ha Solar Telescope

Options available

100mm Primary Aperture Natively < 0.5Å Bandpass 760mm Focal Length (f/7.6) 20mm H-alpha Blocking Filter Dual-Speed 2" Crayford Focuser Includes...

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$3,395.00

Sky-Watcher Télescope solaire Heliostar 76Ha

Options available

Performances H-alpha à double pile, prix à pile unique Filtre de blocage de 11,5 mm Ouverture de 76 mm Distance focale de 630 mm Chercheu...

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$3,395.00 - $3,895.00
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$3,395.00
SVBONY Solar Finder Scope Metal for Sun Positioning
$13.17 - $13.17
$13.17
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$13.17

SVBONY Metal Solar Finder Scope for Sun Positioning

SV-F9168A
1 en stock

Safely locate the Sun without direct viewing Simple pinhole projection design Durable all-metal construction Compact 68*41*32mm dimensions Lightwe...

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$13.17 - $13.17
$13.17
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$13.17
SVBONY SV229 Solar Filter
$21.80 - $26.14
$21.80 - $26.14
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$21.80

SVBONY SV229 Solar Eclipse Telescope Filter with Metal Cap

Options available

Certified safe for direct solar viewing to standard ISO 12312-2:2015 Fits optical tubes with an outer diameter from 80mm to 118mm Features a 103mm...

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$21.80 - $26.14
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$21.80
$74.00 - $74.00
$74.00
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$74.00

Telegizmos Toile d'observation solaire

TG-TGSO
3 en stock

Améliorez votre expérience d'observation solaire avec la capuche d'observation solaire Telegizmos. Cette capuche innovante est conçue pour améliore...

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$74.00 - $74.00
$74.00
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$74.00

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.
  • Canadian stock: Ships from Canada, with no duties or brokerage fees for Canadian orders.
  • 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.