The Sun Online and solar activity. February 7, 2014

Catania sunspot group 28 (NOAA AR 1967) is slowly decaying, although still maintaining the beta-gamma-delta configuration of its photospheric magnetic field. It produced the strongest flare of the past 24 hours, the M2.0 flare peaking at 04:56 UT today. Catania sunspot group 27 (NOAA AR 1968,
beta-gamma configuration of the photospheric field) produced an M1.9 flare peaking today at 10:29 UT. Neither of the flares was associated with a CME. We expect further flaring activity on the C- and M-level in these two groups, with an X-class flare being possible but unlikely. Due to position of these groups in the western hemisphere, a major CME in one of them may lead to a proton event, so we maintain the warning condition. The Earth is currently inside a slow (around 350 km/s) solar wind flow with a
slightly elevated (around 6 nT) interplanetary magnetic field magnitude. Due to low solar wind speed, we expect quiet geomagnetic conditions in the coming hours. Later today we expect the arrival of the fast flow from an extended solar coronal hole (currently stretched across the solar central meridian), resulting in a geomagnetic disturbance up to active (K = 4) level.
SIDC

Equipment: Coronado 90 +  Imaging Source DMK  + LX75
Processing: Photoshop, Avistack 100 frames
Date: 02/07/14
Time UT: 16:00
Exposure 1/500 sec.

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