A dopplergram and a spectroheliogram
Taken by Francois Rouviere on February 25, 2024 @
Cannes, France
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Details:
Both pictures are obtained from the same file, taken at 11h04 UT on February 25. The spectroheliogram shows the remarkable region AR 3590 and several prominences. The dopplergram shows motions in the solar atmosphere: blue regions are moving towards us, red regions are receding.
100 mm Takahashi refractor with Sol'Ex spectroheliograph. Processing with INTI.
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