The SIDC is part of the Royal Observatory of Belgium and a partner in the Solar Terrestrial Center of Excellence (STCE).


There are two active regions visible on the solar disk, with alpha magnetic
field configuration and one sunspot each. No C-class flares in past 24 h.
Solar activity is expected to remain at low levels.
No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar
protons have remained at background levels over the past 24 hours.

The solar wind speed is at 620 km/s with interplanetary magnetic fields of
4 nT. The Earth is under the influence of a high speed solar wind stream.
Geomagnetic conditions have been quiet to unsettled. For the next 48h
unsettled to active periods can be expected (with isolated minor storm
periods possible).

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

2018 Oct 07 1127 UTC
The compression region in front of the fast solar wind stream expected [more]

2018 Oct 05 1220 UTC
END OF ALL QUIET ALERT ...................... The SIDC [more]

2018 May 04 1644 UTC
A halo or partial-halo CME was detected with the following characteristics: [more]

2017 Sep 10 1650 UTC
A class X8.9 solar X-ray flare occurred on 2017/09/10 with peak time 16:06UT [more]