Solar flare activity was dominated by sunspot region 2205 (formally 2189) just coming around the eastern limb of the Sun. So far it has produced three M-class flares (M6.5, 2.6, 2.3) also producing four C-class flares all within the last 24 hours. Note: as this region was rotating around the…
Solar flare activity was dominated by sunspot region 2205 (formally 2189) just coming around the eastern limb of the Sun. So far it has produced three M-class flares (M6.5, 2.6, 2.3) also producing four C-class flares all within the last 24 hours. Note: as this region was rotating around the farside, it was recorded as sunspot region 2189.
A number of CME’s have been recorded over the period mostly attributed to activity close to the western limb. The eruption of a filament in the northeastern quadrant appears in SOHO/LASCO C2 coronagraph images at 12:12 UT. The bulk of charged particles emitted were in an eastern direction and not expected to be geoeffective.
A filament eruption near sunspot region 2201 currently facing Earth lifted off at 18:22 UT but appears to be narrow, mainly directed northward, and could not be traced in coronagraph images. It is thus not expected to be geoeffective. Sunspot region 2197 has also been active and is now rotating around the western limb of the Sun. It appears to have maintained its beta-gamma-delta configuration and may produce M or X-class flares.
Solar wind speed fluctuated steadily around the 415 km/s level apart from a period with lower speeds around 380 km/s between around 18:00UT till just before 22:30 UT. Along with the speed picking up again at that time also the magnetic field increased suddenly from around the 3-5nT level to around the 10 nT level, possibly marking the influence of the November 1 eruption.
Total magnetic field kept fluctuating mainly within the 8 to 12 nT range. The increased magnetic field was first associated with positive Bz. But following a sector change from a negative to a positive phi angle around 6:30 UT the total magnetic field took a dip for a short period and Bz became negative reaching values below -10nT.