Great solar prominence releasing a CME captured in 4K
On July 10, 2022, the Sun featured a gigantic solar prominence over the chromosphere, throwing a coronal mass ejection (CME) into space.
“Luckily I was checking the sun activity at the end of the day, as normally I don’t photograph the sun so late, specially for being low and close to the horizon,” astrophotographer Miguel Claro noted.
“As soon as I realized that a huge prominence was visible and growing so fast and drastically, I quickly start shooting. Seeing the forecast was amazing around 0,71″ arc. but the sun was lower than ideal and the atmosphere had a fine layer of dust coming from Africa. The temperature was very high, around 38º at 18h00. So I made a huge effort of gathering as many images as possible.”
The sequence was captured between 17:37 and 18:30 UTC on July 10 and shows the spectacular motion of the CME.
The gradual change in contrast in the solar disc is related to the Sun getting lower and crossing the dust layer which scattered the light even more.
The final result is a 4K high resolution solar movie comprising around 1 hour of images, captured from the Dark Sky® Alqueva region, Portugal.
Featured image and video courtesy: Miguel Claro
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