The Sun in H Alpha (20230521 mid-day)
Taken by Sylvain Weiller on May 21, 2023 @
Jerusalem, Israel
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Details:
There are many interesting places on the Sun today. Shown sunspots 3311, 3310, 3805. Sunspot 3805 had a C-class flare today.
The two first images are from 16 bit SER files taken simultaneously, the other ones about a quarter an hour later ...
The visibility of prominences result from curve processing only.
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