Image of the Sun from GONG Telescopes Network in Hα Filter (IMAGE)

Instituto de Astrofísica de Canarias (IAC)

Image of the Sun from GONG Telescopes Network in Hα Filter

Caption

Image of the Sun from GONG telescopes network in Hα filter. Prominences are seen as dark filaments over the solar disk. The arrow indicates a prominence that oscillates. The diagram shows the horizontal velocity of the prominence. In the first phase of the oscillations, the velocity reaches the 60 km/s. The periodic motion persists during several hours.

Credit

Manuel Luna (IAC).

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