Passer au contenu
Égalisation des prix Retours sous 30 jours* Parlez à un astronome avant d'acheter

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

$69.00 - $69.00
$69.00
$69.00 - $69.00
$69.00

Daystar Bague Côté Avant Doré SCT à T - Bague Jingly

DAY-GF2SCTT

Convient aux quantiques. Possède des filetages mâles en T et une bague SCT femelle. Convient à la plaque avant Q3GWTF Gold (ci-dessus) Se monte su...

Afficher tous les détails
$69.00 - $69.00
$69.00
$69.00 - $69.00
$69.00
$69.00 - $69.00
$69.00
$69.00 - $69.00
$69.00

Daystar Plaque de Montage Dorée pour Powermate 4X

DAY-Q34XGF

Pour adapter le TeleVue 4X Powermate aux filtres Quantum ou ION. Rend votre train d'optique beaucoup plus court. Aucun adaptateur PMT requis. Dévi...

Afficher tous les détails
$69.00 - $69.00
$69.00
$69.00 - $69.00
$69.00
$285.00 - $285.00
$285.00
$285.00 - $285.00
$285.00

Daystar Réducteur de Focale Photographique 0.5x/0.33X - 2" à T-2(M)

DAY-FR2DT
1 en stock

Le réducteur de focale d'imagerie de DayStar peut vous donner plus de champ de vision dans vos images. Monture en T de 2 ", avec tube d'extension ...

Afficher tous les détails
$285.00 - $285.00
$285.00
$285.00 - $285.00
$285.00
$1,495.00 - $1,495.00
$1,495.00
$1,495.00 - $1,495.00
$1,495.00

Daystar Filtre Solaire Magnesium Quark

DAY-DSZMG

À la demande générale, nous introduisons une version de la ligne MgI b2 du Quark, pour une utilisation dans les réfracteurs F/4-F/9. Magnésium, un...

Afficher tous les détails
$1,495.00 - $1,495.00
$1,495.00
$1,495.00 - $1,495.00
$1,495.00
$399.00 - $399.00
$399.00
$399.00 - $399.00
$399.00

Daystar Adaptateur d'Objectif Nikon vers Quark

DAY-DSZTNA

ADAPTATEUR D'OBJECTIF D'APPAREIL PHOTO REFLEX POUR QUARK : Transforme votre objectif SLR en un télescope Hydrogen Alpha ! - Pour objectifs NIKON. ...

Afficher tous les détails
$399.00 - $399.00
$399.00
$399.00 - $399.00
$399.00
$128.00 - $128.00
$128.00
$128.00 - $128.00
$128.00

Daystar Ensemble de Plaques Q34XGF et Q34XRD2

DAY-QX34SET

Pour adapter le TeleVue 4X Powermate aux filtres Quantum ou ION. Rend votre train d'optique beaucoup plus court. Aucun adaptateur PMT requis. Comp...

Afficher tous les détails
$128.00 - $128.00
$128.00
$128.00 - $128.00
$128.00
$13,990.00 - $13,990.00
$13,990.00
$13,990.00 - $13,990.00
$13,990.00

Daystar Filtre Solaire Quantum Calcium II H - 5Å Grade PE

DAY-CH5AUNI

DayStar est fier de proposer des systèmes de filtration Calcium H (3969Å) et deux Calcium K-line (3933,7Å). Traditionnellement, la recherche unive...

Afficher tous les détails
$13,990.00 - $13,990.00
$13,990.00
$13,990.00 - $13,990.00
$13,990.00
$17,990.00 - $17,990.00
$17,990.00
$17,990.00 - $17,990.00
$17,990.00

Daystar Filtre Solaire Quantum Calcium II K - 2Å Grade PE

DAY-CK2AUNI

DayStar est fier de proposer des systèmes de filtration Calcium H (3969Å) et deux Calcium K-line (3933,7Å). Traditionnellement, la recherche unive...

Afficher tous les détails
$17,990.00 - $17,990.00
$17,990.00
$17,990.00 - $17,990.00
$17,990.00
$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00

Daystar Plaque Plate Avant Quantum - 1.375"x24TPI(F)

DAY-Q3GF1F

Q3GF1F : plaque latérale dorée à l'avant pour Quantums. A des filetages femelles de 1,375" x 24 Accepte les museaux de tube de traction GM1D1 de 1...

Afficher tous les détails
$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00

Daystar Plaque Plate Avant Quantum en T

DAY-Q3GFTF

Convient aux quantiques. Possède un filetage femelle en T (M42x0,75 mm). Accepte le museau du tube de traction GM2DT 2 ".

$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00

Daystar Plaque Inclinée Avant Quantum en T

DAY-Q3GWTF

Plaque de coin avant quantique à utiliser avec les télescopes SCT (en conjonction avec ERF hors axe) et GF2SCTT ou GM2DT. Convient aux quantiques....

Afficher tous les détails
$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00
$11,990.00 - $35,990.00
$11,990.00 - $35,990.00
$11,990.00 - $35,990.00
$11,990.00

Daystar Filtre Solaire Quantum H-alpha

Options available

Notre boîtier Quantum de précision intègre TOUTES les fonctionnalités souhaitées pour l'astronome solaire d'aujourd'hui... et plus encore. Le fonc...

Afficher tous les détails
$11,990.00 - $35,990.00
$11,990.00 - $35,990.00
$11,990.00 - $35,990.00
$11,990.00
Daystar Quantum H-alpha Solar Filter - SE Grade - 0.7-0.9Å
$5,195.00 - $8,995.00
$5,195.00 - $8,995.00
$5,195.00 - $8,995.00
$5,195.00

Daystar Quantum H-alpha Solar Filter - SE Grade

Options available

Choice of 0.7-0.9Å or 0.3-0.5Å Tunable Hydrogen-Alpha Bandpass SE (Standard Edition) Grade for Amateur and Academic Use Live LCD Wavelength Readou...

Afficher tous les détails
$5,195.00 - $8,995.00
$5,195.00 - $8,995.00
$5,195.00 - $8,995.00
$5,195.00
$17,995.00 - $17,995.00
$17,995.00
$17,995.00 - $17,995.00
$17,995.00

Daystar Filtre Solaire Quantum Helium D3 - 0.3Å Grade PE

DAY-HeD.3PE

Filtre Solaire Quantique PE 0.3Å, gamme Hélium D3. À utiliser avec les réfracteurs, les SCT, les Maksutov. Comprend des plaques avant et arrière, ...

Afficher tous les détails
$17,995.00 - $17,995.00
$17,995.00
$17,995.00 - $17,995.00
$17,995.00
$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00

Daystar Plaque Combo Rouge Arrière pour Quantum - SCT / T

DAY-Q3RFCTM

Convient aux quantiques. A un choix combiné avec filetage mâle et femelle. Q3RFCTM : Filetage femelle en T / Mâle 2" x 24 pour une utilisation ave...

Afficher tous les détails
$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00
$17,990.00 - $17,990.00
$17,990.00
$17,990.00 - $17,990.00
$17,990.00

Daystar Filtre Solaire Quantum Sodium D - 0.4Å Grade PE

DAY-NAD.4UNI

Filtre solaire quantique PE 0,4 Å, ligne Sodium D. À utiliser avec les réfracteurs, les SCT, les Maksutov. Comprend des plaques avant et arrière, ...

Afficher tous les détails
$17,990.00 - $17,990.00
$17,990.00
$17,990.00 - $17,990.00
$17,990.00
$79.00 - $79.00
$79.00
$79.00 - $79.00
$79.00

Daystar Coulant Argenté Quark 2"/ 1.25" pour Camera Quark ou Scout

DAY-SZ12

Pack de museaux argentés avant Quark 1,25" et 2", pour utiliser Camera Quark sur un télescope astronomique. Comprend un museau mâle SZ41 1,25" et ...

Afficher tous les détails
$79.00 - $79.00
$79.00
$79.00 - $79.00
$79.00
$1,295.00 - $1,295.00
$1,295.00
$1,295.00 - $1,295.00
$1,295.00

Daystar Filtre Solaire Quark Chromosphere

DAY-DSZ4C
5 en stock

Transformez votre lunette astronomique en télescope H-alpha ! Lentille de Barlow télécentrique intégrée 4,2X Étalon de 0,3 Å à 0,5 ...

Afficher tous les détails
$1,295.00 - $1,295.00
$1,295.00
$1,295.00 - $1,295.00
$1,295.00
$2,595.00 - $2,595.00
$2,595.00
$2,595.00 - $2,595.00
$2,595.00

Daystar Quark Combo Gemini Chrom/Prom Switchable Solar Filter

DAY-DSZGC

Instantly Switchable Prominence & Chromosphere Views Contains Two Internal Fabry-Perot Etalon Filters Optimized for Telescopes from f/15 to f/...

Afficher tous les détails
$2,595.00 - $2,595.00
$2,595.00
$2,595.00 - $2,595.00
$2,595.00
$1,295.00 - $1,295.00
$1,295.00
$1,295.00 - $1,295.00
$1,295.00

Daystar Filtre Solaire Quark Chromosphere pour Questar

DAY-DSZQC

Cette nouvelle conception tout-en-un associe des composants de haute qualité de tous les adaptateurs, embouts et filtre hydrogène alpha Daystar en...

Afficher tous les détails
$1,295.00 - $1,295.00
$1,295.00
$1,295.00 - $1,295.00
$1,295.00
$1,295.00 - $1,295.00
$1,295.00
$1,295.00 - $1,295.00
$1,295.00

Daystar Filtre Solaire Quark Prominence pour Questar

DAY-DSZQP

Cette nouvelle conception tout-en-un associe des composants de haute qualité de tous les adaptateurs, embouts et filtre hydrogène alpha Daystar en ...

Afficher tous les détails
$1,295.00 - $1,295.00
$1,295.00
$1,295.00 - $1,295.00
$1,295.00
$2,595.00 - $2,595.00
$2,595.00
$2,595.00 - $2,595.00
$2,595.00

Daystar Filtre Solaire Quark Gemini Chrom / Prom

DAY-DSZ4G
1 en stock

Filtre Daystar Quark Gemini H alpha : Contient à la fois des filtres passe-bande Prominence et Chromosphere pour une commutation instantanée par g...

Afficher tous les détails
$2,595.00 - $2,595.00
$2,595.00
$2,595.00 - $2,595.00
$2,595.00
$1,295.00 - $1,295.00
$1,295.00
$1,295.00 - $1,295.00
$1,295.00

Daystar Filtre Solaire Quark Prominence

DAY-DSZ4P

Cette nouvelle conception tout-en-un associe des composants de haute qualité d'un barlow télécentrique, des adaptateurs, des embouts et un filtre a...

Afficher tous les détails
$1,295.00 - $1,295.00
$1,295.00
$1,295.00 - $1,295.00
$1,295.00
$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00

Daystar Adaptateur Quark vers C

DAY-SZ1C

Les imageurs vont adorer notre adaptateur Quark vers C, pour monter les caméras à filetage C directement et de manière rigide sur le Quark. Quark ...

Afficher tous les détails
$59.00 - $59.00
$59.00
$59.00 - $59.00
$59.00

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.