Sunspot region AR11660
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/01/20 | 4 | 50 | DSO | N11E12 | |
| 2013/01/21 | 8 | 70 | DAO | N13W02 | |
| 2013/01/22 | 15 | 100 | DAI | N12W15 | |
| 2013/01/23 | 21 | 190 | DAC | N14W28 | |
| 2013/01/24 | 25 | 200 | DAI | N13W42 | |
| 2013/01/25 | 16 | 180 | DAO | N10W56 | |
| 2013/01/26 | 10 | 220 | DAO | N13W68 | |
| 2013/01/27 | 6 | 100 | DAO | N13W81 |
| B | C |
|---|---|
| 4 | 6 |
The top 10 solar flares from sunspot region 11660
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.66 | 2013/01/19 | 03:44 | 03:51 | 03:57 | |
| 2 | C1.56 | 2013/01/28 | 18:20 | 18:34 | 19:06 | |
| 3 | C1.33 | 2013/01/18 | 23:25 | 23:33 | 23:38 | |
| 4 | C1.32 | 2013/01/28 | 05:18 | 05:33 | 05:43 | |
| 5 | C1.09 | 2013/01/22 | 10:26 | 10:33 | 10:42 | |
| 6 | C1 | 2013/01/26 | 02:57 | 03:01 | 03:03 | |
| 7 | B8.75 | 2013/01/18 | 22:08 | 22:12 | 22:24 | |
| 8 | B8.11 | 2013/01/22 | 20:47 | 21:20 | 21:41 | |
| 9 | B7.55 | 2013/01/23 | 00:31 | 00:36 | 00:41 | |
| 10 | B3.12 | 2013/01/25 | 08:25 | 08:28 | 08:33 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
Unspecified geomagnetic activity 122CH 31 HSS 5Current Farside Activity 413AR 4384 12AR4392 (including both near regions) 9
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/13 | M1.19 |
| Last geomagnetic storm | 2026/03/13 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 83.5 +5.3 |
| Last 30 days | 58.3 -70.3 |