Big arch prominence
Taken by Giorgio Rizzarelli on July 2, 2025 @
Trieste, Italy
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
Aperture: Unavailable
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Date Taken: Unavailable
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Details:
Today the fila-prominence seen yesterday rotated to become a spectacular arch. It's close to AR4126, which 3 days ago produced the CME that is expected to arrive today triggering a G1 geomag storm. Lunt60 H-alpha, Neptune-M. SharpCap (2 movies with different exposures for prominence and surface), AS!, ImPPG, Registax, PS. Red chromosphere colorized in yellow.
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