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 Aug 01 12:31:00

There are currently 9 sunspot groups visible. Fast growing NOAA 2132
produced the strongest event of the period: a C8 flare peaking at 00:18UT.
Together with NOAA 2130, which produced only low-level C-class flares, they
are magnetically the most complex active regions on the solar disk. NOAA
2127 simplified, and remained quiet. A small filament on the northern
hemisphere near the central meridian (CM) erupted. Evaluation of any
associated CME is pending the availability of coronagraphic images. The
other filaments have been stable. No Earth-directed CMEs were observed over
the last 24 hours.

There remains a chance for an M-class flare, in particular from NOAA 2130
and 2132.

In response to the sector boundary crossing from 31 July around 11:00UT
(ACE), solar wind speed gradually increased from 300 to 350 km/s, with Bz
varying between -8 and +10 nT. Geomagnetic conditions were quiet, with
locally some unsettled periods towards the end of the reporting window. A
small equatorial coronal hole is transiting the CM and may influence the
geomagnetic field on 4 August.

Quiet geomagnetic conditions are expected until the possible glancing blow
from the 30 July CME, which may locally lead to active geomagnetic
conditions on 2 August.

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 Jul 31 1424 UTC
The reported partial halo CME as observed on 30 July at 13:36UT by SOHO [more]

2014 Jul 24 1227 UTC
END OF ALL QUIET ALERT ...................... The SIDC [more]

2014 Jul 11 2040 UTC
The latest halo CME alert, referring to start on July 10 at 15:12 UT, generated [more]

Latest News

Jul 31, 2014: Tour de France

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Jun 18, 2014: The 3 X-class flares from NOAA 2087

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