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) 2014 Oct 25
19:13:13

Catania sunspot group 88 (NOAA AR 2192) produced an X1.0 flare peaking at
17:08 UT today. No SOHO/LASCO data is available for a moment to determine
if an associated CME occurred, but a preliminary inspection of the SDO/AIA
data indicates no coronal dimming, so the flare is probably confined, or is
associated with a very weak and narrow CME (as it was for the X3.1 flare
yesterday). 

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
EISN

Most recent alerts

2014 Oct 25 1913 UTC
Catania sunspot group 88 (NOAA AR 2192) produced an X1.0 flare peaking [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]


Science Highlights

Oct 25, 2014: Another X-class flare from NOAA 2192 (NL-FR-EN)

Oct 24, 2014: X3.1 flare on 24 October (NL-FR-EN) - UPDATED

Oct 22, 2014: X1.6 flare on 22 October (NL-FR-EN) - UPDATED

Oct 21, 2014: NOAA "Boom! Boom!" 2192

Oct 19, 2014: X1.1 flare on 19 October (NL-FR-EN)

click here for all the news items

Good to know

Zooniverse for online sunspotting

ESWW11 - early bird registration, deadline October 1

STCE seminars