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July 1st: Store will be closed for Canada Day. Orders placed that day will ship on July 2nd.
July 1st: Store will be closed for Canada Day. Orders placed that day will ship on July 2nd.

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Astrodon H-alpha Filter - 5nm

DON-HA5_31R
Only 1 left!

H-α (hydrogen-alpha) at 656 nm (nanometers) is deep red in color and the most popular narrowband filter. Hydrogen is ubiquitous in the cosmos and i...

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CA$658.00
CA$658.00 - CA$658.00
CA$658.00
CA$492.00
CA$492.00 - CA$492.00
CA$492.00
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CA$658.00
CA$658.00 - CA$658.00
CA$658.00
CA$492.00
CA$492.00 - CA$492.00
CA$492.00

Astrodon SII Filter - 5nm

DON-SII5_31R
Only 1 left!

If you want the look of Hubble Space Telescope (HST) images, such as the famous “Pillars of Creation” (the Eagle Nebula, Messier 16), then the next...

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CA$658.00
CA$658.00 - CA$658.00
CA$658.00
CA$492.00
CA$492.00 - CA$492.00
CA$492.00
Save 25% Save %