Sunspot region AR11928
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/12/19 | 21 | 240 | DAI | S15W05 | |
| 2013/12/20 | 24 | 360 | EKC | S16W19 | |
| 2013/12/22 | 28 | 460 | EKC | S17W47 | |
| 2013/12/23 | 22 | 380 | EKC | S17W61 | |
| 2013/12/24 | 13 | 330 | EKC | S16W74 | |
| 2013/12/25 | 8 | 130 | DAI | S16W87 | |
| 2013/12/26 | 8 | 130 | DAI | S16W0* |
2013/12/19
2013/12/20
2013/12/22
2013/12/23
2013/12/24
2013/12/25
2013/12/26
|
2013/12/19
2013/12/20
2013/12/22
2013/12/23
2013/12/24
2013/12/25
2013/12/26
|
| C | M |
|---|---|
| 29 | 11 |
The top 10 solar flares from sunspot region 11928
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M4.82 | 2013/12/22 | 15:06 | 15:12 | 15:19 | |
| 2 | M2.8 | 2013/12/22 | 08:05 | 08:11 | 08:18 | |
| 3 | M2.36 | 2013/12/23 | 08:59 | 09:06 | 09:09 | |
| 4 | M2.3 | 2013/12/22 | 21:23 | 22:08 | 22:13 | |
| 5 | M1.67 | 2013/12/22 | 08:33 | 08:37 | 08:41 | |
| 6 | M1.32 | 2013/12/21 | 10:27 | 10:36 | 10:44 | |
| 7 | M1.26 | 2013/12/22 | 18:55 | 19:09 | 19:17 | |
| 8 | M1.23 | 2013/12/20 | 15:26 | 15:33 | 15:39 | |
| 9 | M1.18 | 2013/12/22 | 22:36 | 22:44 | 22:54 | |
| 10 | M1.14 | 2013/12/23 | 07:53 | 07:58 | 08:02 |
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/03/03 | Kp5 (G1) |
| 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 | 74.8 -3.4 |
| Last 30 days | 52.1 -75.8 |