Solar filament at 393nm - offband calcium
Taken by Apollo Lasky on February 18, 2017 @
Naperville, IL
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Camera Used: Unavailable Unavailable Exposure Time: Unavailable Aperture: Unavailable ISO: Unavailable Date Taken: Unavailable |
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Details:
Quite interesting to capture a filament down this low in the chromosphere at 393nm. The plasma must be very dense! A comparison from the Gong h-alpha network is also attached.
Photographer's website:
No URL provided.
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