The Sun Online and solar activity. January 14, 2014

During last 24 hours five C-class flares and one M-class flare were reported. The M1.3 flare, which originated from the Catania sunspot group 98 (NOAA AR 1944), peaked at 21:51 UT on January 13. The flare was associated with the CME, however from the currently available data it is not clear if the CME was Earth directed. The background X-ray flax has almost a C-level, so we expect C-class flares and possibly also M-class flares. The Catania sunspot group 98 (NOAA AR 1944) is at the West solar
limb and we maintain the warning condition for a proton event. The SOHO/LASCO coronagraph data show front side CME without an associated flare (possibly stealth CME). The CME is first time seen in the SOHO/LASCO C2 field of view at about 21:17 UT on January 13. The bulk of the CME mass was
oriented southward of the Sun-Earth line and we do not expect the CME to arrive at the Earth. A glancing glow is possible, but not very probable, from the CME-driven shock wave. The eruption, at about 08:31 UT today, was accompanied by coronal dimming and EIT wave observed by SDO/AIA. From the
currently available data it is not clear if the associated CME was Earth directed.The solar wind speed is slowly decreasing, however the Earth is still inside a fast flow (680 km/s) associated with the extended (in latitude and in longitude) coronal hole in the northern hemisphere which first reached the central meridian on January 8. The interplanetary magnetic field magnitude is currently about 4 nT. Short interval of negative Bz component of the interplanetary magnetic field resulted in unsettled geomagnetic conditions early this morning (Izmiran reported values of K=3, and NOAA reported a Kp value of 4).We expect quiet to unsettled geomagnetic conditions in the next 24 hours.
SIDC

Equipment: Coronado 90 + SBIG 8300s + LX75
Processing: Photoshop
Date: 01/14/14
Time UT: 15:00
Exposure 0.8 sec.

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