Viewing archive of Wednesday, 21 August 2013 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
149 343 3B7.14C3.245

Sunspot regions

Region 11817

Number of
sunspots
Size Class Magn. Class Spot Location
3 60 CSO S19W0*
HMIIF
HMIBC

Region 11818

Number of
sunspots
Size Class Magn. Class Spot Location
2 -1 210 -40 HAX S05W76
HMIIF
HMIBC

Solar flares on this day

C1.64

Region 11820

Number of
sunspots
Size Class Magn. Class Spot Location
10 5 60 50 DAI S12W34
HMIIF
HMIBC

Region 11823

Number of
sunspots
Size Class Magn. Class Spot Location
5 1 120 -50 CSO S08E03
HMIIF
HMIBC

Solar flares on this day

C1.8

Region 11824

Number of
sunspots
Size Class Magn. Class Spot Location
3 -6 50 -70 CAO S12W53
HMIIF
HMIBC

Region 11825

Number of
sunspots
Size Class Magn. Class Spot Location
12 -8 80 10 DAO N16W40
HMIIF
HMIBC

Solar flares on this day

C1.05

Region 11827

Number of
sunspots
Size Class Magn. Class Spot Location
7 -1 160 -140 DAO S18E44
HMIIF
HMIBC

Region 11828

Number of
sunspots
Size Class Magn. Class Spot Location
6 2 60 30 CAO N16E57
HMIIF
HMIBC

Solar flares on this day

C3.19

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!

SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/12/08X2.2
Last M-flare2024/12/22M1.0
Last geomagnetic storm2024/12/17Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 2024152.5 -13.9
December 2024103.3 -49.2
Last 30 days115.4 -40.8

This day in history*

Solar flares
11999M7.71
22013M4.82
32023M3.33
42013M2.8
51999M2.61
DstG
11982-101G3
22014-71G1
32001-59
41987-59
51989-58G1
*since 1994

Social networks