Viewing archive of Sunday, 12 August 2012 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
76 -220 -1B4.14C1.162

Sunspot regions

Region 11537

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 -10 AXX N12W69

Region 11538

Number of
sunspots
Size Class Magn. Class Spot Location
2 -4 70 -40 DSO S23W74

Region 11540

Number of
sunspots
Size Class Magn. Class Spot Location
1 -6 50 -60 HAX S25W50

Region 11542

Number of
sunspots
Size Class Magn. Class Spot Location
7 -3 110 -20 DAO S14E08

Solar flares on this day

C1.15 C1.13

Region 11543

Number of
sunspots
Size Class Magn. Class Spot Location
9 5 250 DHO N20E20

Region 11544

Number of
sunspots
Size Class Magn. Class Spot Location
7 1 70 -10 DAO S31W33

Region 11545

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 BXO S14W21

All times in UTC

<< Go to daily overview page

The solar wind speed is currently high (796.3 km/sec.)

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

09:15 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 08:59 UTC

alert


06:27 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 54GW at 07:01 UTC


06:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 05:51 UTC

alert


00:57 UTC - Solar flare

Moderate M2.05 flare

alert


00:33 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.71)


Get instant alerts!

Space weather facts

Last X-flare2025/02/23X2.0
Last M-flare2025/03/27M2.0
Last geomagnetic storm2025/03/26Kp6+ (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
March 2025132.3 -22.3
Last 30 days131.2 -21.8

This day in history*

Solar flares
12001M3.28
21998M3.23
32025M2.0
42000M1.5
52000M1.38
DstG
11959-234G4
21976-125G2
31988-121G2
41991-101G1
51978-98G3
*since 1994

Social networks