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Daily bulletin on solar and geomagnetic activity from the SIDC

Emitido: 2026 Feb 10 1238 UTC

SIDC Forecast

Llamarada solar

C-class flares expected, (probability >=50%)

Geomagnetism

Quiet (A<20 and K<4)

Protones solares

Quiet

	10cm flux	Ap
10 Feb 2026	133	008
11 Feb 2026	129	012
12 Feb 2026	124	011

Solar Active Regions and flaring

Solar flaring activity was low over the past 24 hours, with only C-class flares identified. The largest flare was a C9.2 flare (SIDC Flare 6999) peaking on February 09 at 23:02 UTC, which was produced by SIDC Sunspot Group 762 (NOAA Active Regions 4342, 4374). A total of 8 numbered sunspot groups were identified on the disk over the past 24 hours. SIDC Sunspot Group 784 (NOAA Active Region 4366) is the largest region on disk, the most magnetically complex (Beta-Gamma-Delta) and produced most of the flaring activity in the last 24 hours. This region is rotating over the western limb off the visible solar disk. Solar flaring activity is expected to be low over the next 24 hours, with C-class flares very likely and a chance for M-class flares.

Eyección de masa coronal

No Earth directed CMEs were observed in the past 24 hours.

Viento solar

Slow solar wind conditions were recorded over the past 24 hours. The solar wind speed ranged from 360 km/s to 474km /s. The total interplanetary magnetic field ranged from 5 to 9 nT, with the Bz reaching a minimum of -7 nT. The phi-angle was mainly in the negative sector (directed towards the Sun), with periods in the positive sector. In the next 24 hours, a slow solar wind regime is expected.

Geomagnetism

The geomagnetic conditions were quiet globally (Kp 1-2) and quiet to unsettled locally (K BEL 1-3) in the last 24 hours. Quiet to unsettled conditions are expected in the next 24 hours.

Proton flux levels

The greater than 10 MeV GOES proton flux was at background levels and is expected to remain at background levels over the next 24 hours.

Electron fluxes at geostationary orbit

The greater than 2 MeV electron flux, as measured by the GOES-19 satellite was above the 1000 pfu threshold between 12:55 UTC and 19:15 UTC on February 09. The 2 MeV electron flux is expected to cross the threshold again during the next 24 hour. The 24-hour electron fluence was at moderate levels and is expected to remain at moderate levels over the next 24 hours.

Today's estimated international sunspot number (ISN): 113, based on 03 stations.

Solar indices for 09 Feb 2026

Wolf number Catania	156
10cm solar flux	144
AK Chambon La Forêt	012
AK Wingst	008
Estimated Ap	007
Estimated international sunspot number	117 - Based on 10 stations

Noticeable events summary

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

All times in UTC

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