Viewing archive of Wednesday, 13 April 2011 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
153 391 -1B7.86C3.6610

Sunspot regions

Region 11185

Number of
sunspots
Size Class Magn. Class Spot Location
10 -7 40 -20 CSO N16W34

Solar flares on this day

C2

Region 11186

Number of
sunspots
Size Class Magn. Class Spot Location
16 4 90 20 CSI N22W20

Region 11187

Number of
sunspots
Size Class Magn. Class Spot Location
5 20 BXO S20W01

Region 11190

Number of
sunspots
Size Class Magn. Class Spot Location
20 14 110 70 DAI N15E12

Solar flares on this day

C1.58

Region 11191

Number of
sunspots
Size Class Magn. Class Spot Location
1 60 HSX N09E71

Solar flares on this day

C2.76 C1.78

Region 11192

Number of
sunspots
Size Class Magn. Class Spot Location
2 20 BXO N11W01

All times in UTC

<< Go to daily overview page

Latest news

Support 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! Subscriptions
Donations
Support SpaceWeatherLive.com! Donate
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2025/12/08X1.1
Last M-flare2025/12/12M1.1
Last geomagnetic storm2025/12/12Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025131.8 +40
Last 30 days108.3 +14.5

This day in history*

Solar flares
12014X1.25
21998M4.59
32002M2.31
42014M2.16
52014M2.11
DstG
11971-171G3
21982-106G3
32023-76G1
41988-76G2
51977-67G1
*since 1994

Social networks