AR 3780 and a spectroheliogram
Taken by Francois Rouviere on August 10, 2024 @
Cannes, France
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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:
The H alpha spectroheliogram is taken with a 100 mm refractor and Sol'Ex (at 6h44-6h51 UT). The view of AR 3780 (at 7h43 UT) is obtained with a 210 mm Newton reflector, ultraviolet "K-line" filter and a x5 Barlow lens.
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