Sunspot region AR11381
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2011/12/19 | 5 | 40 | DAO | S18E19 | |
| 2011/12/20 | 9 | 80 | DAI | S18E10 | |
| 2011/12/21 | 8 | 90 | DAO | S17W01 | |
| 2011/12/22 | 7 | 70 | CSO | S15W17 | |
| 2011/12/23 | 15 | 180 | DAI | S18W28 | |
| 2011/12/24 | 8 | 40 | DAO | S20W44 | |
| 2011/12/25 | 2 | 150 | HSX | S19W54 | |
| 2011/12/26 | 2 | 100 | CSO | S18W68 | |
| 2011/12/27 | 1 | 120 | HSX | S18W80 | |
| 2011/12/28 | 1 | 80 | HSX | S18W93 |
| B | C |
|---|---|
| 1 | 4 |
The top 5 solar flares from sunspot region 11381
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C7.85 | 2011/12/22 | 01:56 | 02:08 | 02:20 | |
| 2 | C2.18 | 2011/12/20 | 00:38 | 00:44 | 00:50 | |
| 3 | C1.75 | 2011/12/17 | 23:37 | 23:44 | 23:49 | |
| 4 | C1.07 | 2011/12/18 | 01:21 | 01:26 | 01:32 | |
| 5 | B6.88 | 2011/12/18 | 03:18 | 03:22 | 03:29 |
Latest news
Saturday, 4 May 2024
Sunspot region 3663, X1 solar flare
Monday, 22 April 2024
Lot's of sunspots! Big chance for major flare activity?
Saturday, 23 March 2024
X1.1 solar flare with earth-directed CME
Latest forum messages
AR3663 93Weakening of Earths magnetic field due to geomagnetic excursion 6Does anyone know what happened to solarham.net? 10AR3666 Beta-Gamma-Delta 7Sporadic E and Flare activity 18
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Space weather facts
| Last X-flare | 2024/05/03 | X1.6 |
| Last M-flare | 2024/05/04 | M1.2 |
| Last geomagnetic storm | 2024/05/02 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| Last 30 days | 151.9 +56.5 |