Sunspot region AR11661
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/01/23 | 1 | 20 | HRX | N13E60 | |
| 2013/01/24 | 1 | 20 | CSO | N13E56 | |
| 2013/01/25 | 2 | 20 | DSO | N17E33 | |
| 2013/01/26 | 3 | 30 | CRO | N15E20 | |
| 2013/01/27 | 5 | 30 | CRO | N15E08 | |
| 2013/01/28 | 5 | 30 | CRO | N15W06 | |
| 2013/01/29 | 1 | 0 | AXX | N13W21 |
| B |
|---|
| 6 |
The top 6 solar flares from sunspot region 11661
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B9.38 | 2013/01/24 | 16:16 | 16:21 | 16:25 | |
| 2 | B9.13 | 2013/01/23 | 01:20 | 01:27 | 01:33 | |
| 3 | B8.29 | 2013/01/25 | 20:04 | 20:31 | 21:01 | |
| 4 | B7.79 | 2013/01/26 | 08:07 | 08:23 | 08:34 | |
| 5 | B3.27 | 2013/01/25 | 19:38 | 19:41 | 19:45 | |
| 6 | B3.09 | 2013/01/25 | 17:59 | 18:03 | 18:06 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Latest forum messages
AR4419 41Coronal Holes 42/44 17Current Farside Activity 457Incoming & Unnumbered Active Regions 272Comet C/2026 A1 (MAPS) for the southern hemisphere 68
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 89.7 +3.8 |
| Last 30 days | 94.1 +33.7 |
