Viewing archive of Sunday, 11 September 2011 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
94 171B6.86C9.485

Sunspot regions

Region 11283

Number of
sunspots
Size Class Magn. Class Spot Location
7 -5 200 -10 DSO N13W73

Solar flares on this day

C9.51 C2.82 C2.48 C1.37 C1.64

Region 11287

Number of
sunspots
Size Class Magn. Class Spot Location
2 70 10 HSX S29W28

Region 11289

Number of
sunspots
Size Class Magn. Class Spot Location
11 5 450 70 DHO N23E24

Region 11290

Number of
sunspots
Size Class Magn. Class Spot Location
5 50 20 DRO S15E16

Region 11291

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 DRO N23W03

All times in UTC

<< Go to daily overview page

G1 - Minor geomagnetic storm

Observed Kp: 5
Threshold reached: 04:05 UTC

Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future

Gillam, MB, Yellowknife, NT

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Iqaluit, NU, Saskatoon, SK
Nuuk
The solar wind speed is currently moderately high (695.7 km/sec.)
The Disturbance Storm Time index predicts moderate storm conditions right now (-59nT)

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

04:15 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 04:05 UTC

alert


03:15 UTC - Geomagnetic activity

Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 02:59 UTC

alert


01:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 00:51 UTC

alert


Friday, 4 April 2025
23:30 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 23:17 UTC

alert


21:03 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 75GW at 21:49 UTC


Get instant alerts!

Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M2.5
Last geomagnetic storm2025/04/04Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025148 +13.8
Last 30 days130.9 -15.2

This day in history*

Solar flares
12001X1.21
22001M7.3
32001M4.52
42013M3.28
52004M2.47
DstG
11993-165G3
21968-112G3
31978-109G1
41984-108G2
51989-101G2
*since 1994

Social networks