Ask Astro: Why aren’t solar eclipse photos taken using a Hydrogen-alpha filter?

I’ve never seen any eclipse photos using a Hydrogen-alpha (Hα) filter. Is there any reason not to use such a filter for taking photographs of a total solar eclipse? Stephen NelsonEvergreen, Colorado The reason involves how astroimagers targeting a total solar eclipse want to allocate their time. In short, you can take an Hα shotContinue reading “Ask Astro: Why aren’t solar eclipse photos taken using a Hydrogen-alpha filter?”
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