Viewing archive of Thursday, 21 April 2011 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
100 102 1B6.43M1.2341

Sunspot regions

Region 11190

Number of
sunspots
Size Class Magn. Class Spot Location
2 -2 60 -200 CAO N14W94

Region 11191

Number of
sunspots
Size Class Magn. Class Spot Location
1 -4 15 -35 HRX N07W39

Region 11193

Number of
sunspots
Size Class Magn. Class Spot Location
26 300 -50 EHI N16W20

Region 11195

Number of
sunspots
Size Class Magn. Class Spot Location
7 6 100 80 DAI S17E55

Solar flares on this day

C1.17 C1.44 M1.23 C7.09 C6.51

Region 11196

Number of
sunspots
Size Class Magn. Class Spot Location
4 80 DAO S27E69

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!

100%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/11/06X2.39
Last M-flare2024/11/20M1.1
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024142.7 -23.8
Last 30 days155.2 +4.4

This day in history*

Solar flares
12012M5.08
21999M4.93
31999M3.27
42000M2.33
52012M2.11
DstG
12003-309G3
21991-135G3
32002-128G3
41960-111G2
51970-110G2
*since 1994

Social networks