Welcome to the Solar Influences Data Analysis Center (SIDC), which is the solar physics research department of the Royal Observatory of Belgium. The SIDC includes the World Data Center for the sunspot index and the ISES Regional Warning Center Brussels for space weather forecasting.

PRESTO FROM SIDC - RWC BELGIUM Sat Mar 13 2010, 1222 UT Solar activity is low. NOAA AR 11054 is growing slowly and produced a C2.3 flare peaking at 18:27 UT on March 12. It is likely to produce more C flares with slight chances for M flares. NOAA AR 11055 is stable and not expected to produce big flares. A CME was detected by CACTUS at 05:54 UT directed towards the north east, it is not expected to be geoeffective. Geomagnetic conditions are quiet, with the solar win speed around 450 km/s and a magnetic field below 5 nT. No disturbances are expected.

Latest SWAP image Latest USET H-alpha image

Most recent alerts 2010 Feb 12 1308 UTC Radio data from the SIDC show a type II burst suggesting that a CME was [more] 2010 Feb 06 0917 UTC END OF ALL QUIET ALERT ...................... The SIDC - RWC Belgium expects [more]