Astrophysics

H-Alpha filter in an exceptional observations of solar phenomena

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Mercury in H alpha near Sun

In this short post, I would like to share with you my ideas, on how can we use the Hydrogen-alpha filter for solar observations during exceptional situations. The situations, that I am going to take into account are mostly solar eclipses, but also internal planet transits.  We have less than 2 months to Mercury transit … Read more