Solar Astronomy

Discussion devoted to the Sun, whether instruments, projects or images of the Sun.

1977 topics in this forum

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  1. 8h de vidéo 17 mai

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  2. vie et mort d'un filament

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  3. Régions actives du 18/05

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  4. Tache solaire AR 3014

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  5. Tour de Sol'Ex le 18/05

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  6. AR3007 en LB le 13/5

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  7. Tache bizarre le 17/03 ??

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  8. Premier cliché en H-Alpha

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