Viewing archive of Saturday, 1 October 2011 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
86 -31 1B8M1.8231

Sunspot regions

Region 11301

Number of
sunspots
Size Class Magn. Class Spot Location
1 20 HSX N16W76

Region 11302

Number of
sunspots
Size Class Magn. Class Spot Location
25 2 750 FKC N13W29

Solar flares on this day

C5.91 C1.52

Region 11305

Number of
sunspots
Size Class Magn. Class Spot Location
9 1 130 30 DSO N12E01

Solar flares on this day

C1.95 M1.83

Region 11306

Number of
sunspots
Size Class Magn. Class Spot Location
1 40 10 HSX N13E20

Region 11307

Number of
sunspots
Size Class Magn. Class Spot Location
3 -1 30 20 CSO N14E48

All times in UTC

<< Go to daily overview page

Currently there's no noteworthy space weather

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

Friday, 21 February 2025
14:54 UTC - Solar flare

Moderate M1.41 flare

alert


14:39 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.41)


12:33 UTC - Solar flare

Moderate M3.39 flare

alert


12:18 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M3.39)


Get instant alerts!

Space weather facts

Last X-flare2025/01/04X1.85
Last M-flare2025/02/21M1.4
Last geomagnetic storm2025/02/19Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
January 2025137 -17.5
February 2025151.4 +14.4
Last 30 days149 -14

This day in history*

Solar flares
12024X6.37
22024X1.70
32002M6.4
42024M4.8
52023M2.6
DstG
11994-144G4
21988-130G3
31973-107G2
41979-97G1
51992-97G1
*since 1994

Social networks