Nobeyama Radioheliograph Event 19990204_0220

EventID : 19990204_0220
Observer : T. Yokoyama
Keyword : Prominence eruption
Start : 1999-02-04 02:20
End : 1999-02-04 04:20
Position: S24W90

Prominence Eruption from the South West Limb

The maximum (apparent) velocity was about 100-200 km / sec. This prominece could be originally the huge prominence that was crossing all over the sounthern hemisphere of the Sun in the last rotation.

Full Sun image of 17GHz at 2:21 UT.

Partial Sun image of 17GHz at 3:31 UT. The Field of View is indicated in the Full Sun Image above and its size is about 450,000 x 450,000 km (640 x 640 arcsec).

Mpeg movie of the partial images.