Vaata esmaspäev, 21 september 2020 arhiivi

Daily bulletin on solar and geomagnetic activity from the SIDC

Välja antud: 2020 Sep 21 1231 UTC

SIDC Forecast

Valid from 1230 UTC, 21 Sep 2020 until 23 Sep 2020
Päikesepursked ehk loited

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

Geomagnetism

Quiet (A<20 and K<4)

Päikese prootonid

Quiet

10cm fluxAp
21 Sep 2020071007
22 Sep 2020073007
23 Sep 2020075007

Bulletin

The Sun is spotless, but the X-ray flux has increased above the B-level due to an active region rotating into view from the east limb. There is a possibility of having C-class flares in the coming days.

No Earth-directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery.

The greater than 10 MeV proton flux was at nominal levels in the past 24 hours, and is expected to stay at nominal levels in the next 24 hours. The greater than 2 MeV electron flux was at nominal levels in the past 24 hours, and is expected to stay at nominal levels in the next 24 hours.

Solar wind speed near Earth as registered by DSCOVR varied between about 280 and 315 km/s in the past 24 hours. The Interplanetary Magnetic Field (IMF) was oriented towards the Sun (negative) with a magnitude between 3 and 9 nT. Bz was never below -5 nT.

Quiet geomagnetic conditions (K Dourbes between 0 and 2; NOAA Kp between 0 and 2) were registered in the past 24 hours. The same situation is expected for the next 48 hours.

Today's estimated international sunspot number (ISN): 000, based on 29 stations.

Solar indices for 20 Sep 2020

Wolf number Catania///
10cm solar flux070
AK Chambon La Forêt007
AK Wingst004
Estimated Ap004
Estimated international sunspot number000 - Based on 26 stations

Noticeable events summary

DayBeginMaxLõppLocStrengthOP10cmCatania/NOAARadio burst types
Puuduvad

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

Kõik ajad UTC-s

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