The Sun Online and solar activity. December 25, 2013

The X4.9 flare of Feb 25 00:49 produced rising proton flux levels and a CME. The proton flux levels will cross the 10 pfu threshold for >10 MeV particles in the coming minutes. Meanwhile, incoming data revealed that the CME expanded to a full halo CME with a propagation speeds above 1500 km/s. Culgoora Observatory observed type II radio bursts with speeds of 2000 km/s and 700 km/s. As a consequence, we expect
disturbed geomagnetic  conditions but it remains hard to predict timing and magnitude as the CME
has only a minor component in the direction of the Earth.
SIDC

Equipment: Coronado 90 +  Imaging Source DMK  + LX75
Processing: Photoshop, Avistack 300 frames
Date: 02/25/14
Time UT: 14:00
Exposure 1/500 sec.

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