Viewing archive of Saturday, 23 February 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2013 Feb 23 1141 UTC

SIDC Forecast

Valid from 1230 UTC, 23 Feb 2013 until 25 Feb 2013
Solar flares

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

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

10cm fluxAp
23 Feb 2013105004
24 Feb 2013105004
25 Feb 2013105004

Bulletin

Solar activity was quiet featuring one C 1 flare from AR Catania 95 (NOAA 11678) that has changed its magnetic configuration to Beta-Gamma. Solar activity is expected to remain so for the next 24 hours. Geomagnetic activity was moderate to active in the last 24 hours, but is expected to be quiet for the next 48 hours.

Today's estimated international sunspot number (ISN): 032, based on 05 stations.

Solar indices for 22 Feb 2013

Wolf number Catania070
10cm solar flux107
AK Chambon La Forêt019
AK Wingst017
Estimated Ap014
Estimated international sunspot number042 - Based on 10 stations

Noticeable events summary

DayBeginMaxEndLocStrengthOP10cmRadio burst typesCatania/NOAA
None

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

All times in UTC

<< Go to daily overview page

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

Donate SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/08M1.5
Last geomagnetic storm2025/04/06Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025141.4 +7.2
Last 30 days137.9 +0.4

This day in history*

Solar flares
12013M9.34
22024M5.47
32001M3.41
42000M1.63
52000M1.5
DstG
12001-271G4
21990-190G3
31978-114G4
41982-110G2
51959-88G1
*since 1994

Social networks