Viewing archive of Monday, 3 September 2012 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 156 48 | 2 2 | B9.57 | C5.77 | 11 |
Sunspot regions
Region 11553 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -3 | 140 -10 | DAI | S22W69 | |
Region 11560 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 21 2 | 260 40 | EHI | N03W17 | |
Solar flares on this day | ||||
| C1.74 C1.95 C1.38 C1.92 | ||||
Region 11561 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 20 -10 | CAO | S12W23 | |
Region 11562 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 20 | CSO | S17E10 | |
Region 11563 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 50 -20 | DAO | S26E29 | |
Region 11564 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 4 | 150 60 | DAO | S15E41 | |
Solar flares on this day | ||||
| C2.65 C5.78 C2.74 C3.79 C3.99 C3.39 C4.17 | ||||
All times in UTC
Latest news
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Latest forum messages
Geminid Meteor Shower 23Current Farside Activity 252Coronal Hole 06 50Incoming & Unnumbered Active Regions 33Filaments and prominences 414
More topicsSupport 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!
Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 131.8 +40 |
| Last 30 days | 108.3 +14.5 |