Visualizzazione archivio di domenica, 12 febbraio AM

Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2017 Feb 12 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 12 Feb 2017 until 14 Feb 2017
Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

10cm fluxAp
12 Feb 2017076007
13 Feb 2017076007
14 Feb 2017076007

Bulletin

No C-class flares in past 24 h. One beta AR visible on the disk (2635). C-class flares are possible but not very likely.

No Earth directed Coronal Mass Ejections (CMEs) have been detected. Solar protons have remained at background levels over the past 24 hours.

Geomagnetic conditions have been at k = 1-2 levels. Solar wind speed is now at 350 km/s with interplanetary magnetic fields of 3 nT. Quiet geomagnetic conditions expected.

Today's estimated international sunspot number (ISN): 017, based on 05 stations.

Solar indices for 11 Feb 2017

Wolf number Catania///
10cm solar flux076
AK Chambon La Forêt005
AK Wingst005
Estimated Ap004
Estimated international sunspot number020 - Based on 09 stations

Noticeable events summary

DayBeginMaxFineLocStrengthOP10cmCatania/NOAARadio burst types
Nessuna

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

Tutti gli orari in UTC

<< Vai alla pagina della panoramica giornaliera

Ultime notizie

Supporta SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!

No Ads on SWL Pro!
No Ads on SWL Pro! Abbonamenti
Donations
Supporta SpaceWeatherLive.com! Dona
Supporta SpaceWeatherLive con il nostro merchandise
Dai un'occhiata al nostro merchandise

Notizie sul meteo spaziale

Ultimo brillamento X2025/12/08X1.1
Ultimo brillamento M2026/01/14M1.6
Ultima tempesta geomagnetica2026/01/11Kp5+ (G1)
Giorni senza macchie
Ultimo giorno senza macchie2022/06/08
Media mensile Numero di Macchie Solari
dicembre 2025124 +32.2
gennaio 202691.4 -32.6
Ultimi 30 giorni97.9 -8.3

Questo giorno nella storia*

Brillamenti solari
12005X3.79
22005X1.79
32005X1.24
42005X1.21
52023M6.03
DstG
11988-134G3
21960-104G2
31989-99G2
42022-73G1
51972-70G1
*dal 1994

Social networks