Sun's cromosphere and prominences
Taken by Juan Carlos Casado on June 14, 2025 @
Sant Llorenç de la Muga, Girona, Spain
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
Aperture: Unavailable
ISO: Unavailable
Date Taken: 2025:06:15 13:22:45
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Details:
This image of the sun obtained in the H-alpha emission line on Saturday, December 14, shows an active region near the solar limb with a huge bridge-shaped prominence.
The chromosphere layer can be seen at the edge of the solar disk as a thin reddish band from which different prominences emerge.
The Earth has been included as a size reference.
The image was obtained with a Lunt 152 solar telescope coupled with a conventional Sony A7R3 camera, from the small village of Sant Llorenç de la Muga (Girona, Spain), just a few kilometers from the French border.
Different exposures were made to capture the solar disk in detail (1/25 s) and the protuberances, which are weaker (1/3 s). The photos were then combined with a computer to obtain the final image.
Photographer's website:
https://starryearth.com
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