H-Alpha Filters

Fit your telescope with an H-alpha solar filter to get dramatic views of solar prominences, filaments, and active sunspot groups.

The Solar Astronomer's Buyers Guide

The Solar Astronomer's Buyers Guide

This practical guide shows you how to safely observe and image the Sun and solar eclipses with white light and narrow band solar filters.

Solar Filter Finder Tool

Solar Filter Finder Tool

You can look up filters by either your Telescope model or you can enter your telescope’s tube diameter in our tool and it will show you available solar filters that fit your telescope.

H-Alpha Filters

   
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  1. Coronado (2)
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