Viewing archive of Wednesday, 21 September 2011 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
108 70C1.43M2.6791

Sunspot regions

Region 11295

Number of
sunspots
Size Class Magn. Class Spot Location
18 -6 310 10 DHC N23W35

Solar flares on this day

C2.82 C3.85 C3.96 C4.12 C2.97

Region 11296

Number of
sunspots
Size Class Magn. Class Spot Location
5 -3 30 -20 CRO N27W16

Region 11298

Number of
sunspots
Size Class Magn. Class Spot Location
3 1 20 DRO N15W36

Region 11299

Number of
sunspots
Size Class Magn. Class Spot Location
7 -6 40 -20 DAO S20W40

Region 11300

Number of
sunspots
Size Class Magn. Class Spot Location
1 -4 70 HSX N24W73

Region 11301

Number of
sunspots
Size Class Magn. Class Spot Location
7 2 130 20 DSO N19E52

Solar flares on this day

C3.98 C5.58

<< 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!

56%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/05/11X1.5
Last M-flare2024/05/11M1.7
Last geomagnetic storm2024/05/10Kp9 (G5)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
April 2024136.5 +31.6
May 2024139.8 +3.3
Last 30 days170.5 +79.6

This day in history*

Solar flares
12024X5.7
22024X1.5
32024M3.0
42022M2.67
52022M2.26
ApG
11938103G4
2199270G3
3198161G3
4200249G3
5196042G3
*since 1994

Social networks