The Sun Online and solar activity. December 3, 2013

NOAA AR 1913 on the west limb was responsible for most of the flaring activity yesterday. NOAA AR 1908, 1909 and 1912 are likely to cause C-flares. The chance for C-flares is around 50%, the chance for M-flares around 15%. X-flares are unlikely.The solar wind speed is around 400 km/s. A magnetic structure in the slow solar wind carries a negative magnetic z-component resulting in unsettled geomagnetic conditions.  A coronal hole located just above the solar equator approached the central meridian. This coronal hole might influence the earth magnetosphere in a few days.

INFO FROM SIDC
Equipment: Coronado 90 + SBIG 8300s + LX75
Processing: Photoshop
Date: 12/03/13
Time UT: 04:30
Exposure 0.8 sec.

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