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.

FAST WARNING 'PRESTO' MESSAGE  from the SIDC (RWC-Belgium) 2013 May 24
21:59:12

A shock was observed in the solar wind speed on May 24th around 17:45 UT.
The speed went up from around 450 km/s to around 550 km/s and also
corresponds to a jump in the solar wind temperature and density.  The
interplanetary magnetic field is now around -12 nT and the K index has
reached storm levels (k=5).

Latest SWAP image
SWAP latest image

Latest USET H-alpha image
USET latest Halpha image

Latest LYRA curve
Latest LYRA Curves

Latest Callisto Observations
Latest HUMAIN Callisto qkl

Most recent alerts

2013 May 24 0507 UTC
A halo or partial-halo CME was detected with the following characteristics: [more]

2013 May 03 1827 UTC
Two M flares occurred within one hour today, an M1.3 (1655 UT peak time) [more]

2013 Feb 02 0909 UTC
END OF ALL QUIET ALERT ...................... The SIDC - RWC Belgium expects [more]


Latest News

May 25, 2013: The open doors STCE quiz

May 21, 2013: The Sun has a blast... or four!

May 17, 2013: A second breath for cycle 24?

May 16, 2013: Backside prominence eruption

May 14, 2013: Earth under fire! (UPDATED)

click here for all SIDC news items