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.

INFO FROM SIDC - RWC BELGIUM 2014 Sep 16 13:16:40

Only minor C-class flaring in past 24 h. The strongest flare came from
Catania 56 (NOAA 2166) with peak at 20:51 Ut on September 15.
Geomagnetic conditions are quiet and expected to remain so. If the filament
that erupted on September 12 arrives to the Earth today, active conditions
may be reached.

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

Daily estimated sunspot number

Most recent alerts

2014 Sep 13 1314 UTC
The partial halo CME first observed by SOHO/LASCO on 12 September at 18:36 [more]

2014 Sep 07 1337 UTC
The latest halo CME alert generated by the CACTus software package: 025|2014/09/06 [more]

2014 Aug 08 1211 UTC
END OF ALL QUIET ALERT ...................... The SIDC [more]

Latest News

Sep 11, 2014: High solar activity! (NL-FR-EN) - UPDATED

Sep 10, 2014: High solar activity! (NL-FR-EN)

Sep 10, 2014: Backside Blast

Sep 03, 2014: NOAA 2146 bursts its bubble...

Aug 27, 2014: Small sunspot, big flare

click here for all the news items

Good to know

Zooniverse for online sunspotting

ESWW11, 17-21 November, 2014

STCE seminars