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Daily bulletin on solar and geomagnetic activity from the SIDC

Випущено: 2019 Oct 06 1230 UTC

SIDC Forecast

Сонячні спалахи

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Quiet (A<20 and K<4)

Сонячні протони

Quiet

	10cm flux	Ap
06 Oct 2019	068	008
07 Oct 2019	067	006
08 Oct 2019	067	003

Bulletin

Solar activity was at very low levels. The Sun remained spotless. No earth-directed coronal mass ejections (CMEs) have been observed in available coronagraphic imagery. The greater than 10 MeV proton flux was at nominal values.

Solar activity is expected to remain at very low levels.

Solar wind speed gradually increased from an initial 380 km/s to 465 km/s around 04:30UT, then declining to 400 km/s by the end of the period (ACE). The direction of the interplanetary magnetic field (phi angle) was variable, with the positive sector (away from the Sun) dominating. Bz varied between -6 and +5 nT.

Geomagnetic activity was at quiet to unsettled levels and is expected to remain so.

Today's estimated international sunspot number (ISN): 000, based on 12 stations.

Solar indices for 05 Oct 2019

Wolf number Catania	///
10cm solar flux	068
AK Chambon La Forêt	015
AK Wingst	008
Estimated Ap	008
Estimated international sunspot number	000 - Based on 14 stations

Noticeable events summary

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

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