Sunspot region AR11638
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/12/28 | 1 | 80 | HSX | N12E67 | |
| 2012/12/29 | 1 | 150 | HSX | N12E56 | |
| 2012/12/30 | 1 | 150 | HSX | N12E43 | |
| 2012/12/31 | 1 | 150 | HSX | N12E31 | |
| 2013/01/01 | 3 | 90 | CAO | N13E17 | |
| 2013/01/02 | 8 | 140 | DAO | N13E06 | |
| 2013/01/03 | 4 | 110 | CAO | N13W07 | |
| 2013/01/04 | 2 | 100 | HSX | N13W21 | |
| 2013/01/05 | 1 | 80 | HSX | N13W34 | |
| 2013/01/06 | 1 | 40 | HSX | N13W48 | |
| 2013/01/07 | 1 | 50 | HSX | N13W61 | |
| 2013/01/08 | 1 | 80 | HSX | N13W74 | |
| 2013/01/09 | 1 | 60 | HSX | N13W87 |
| B | C |
|---|---|
| 1 | 2 |
The top 3 solar flares from sunspot region 11638
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.17 | 2012/12/29 | 19:27 | 19:33 | 19:39 | |
| 2 | C1.6 | 2013/01/07 | 09:47 | 09:54 | 10:00 | |
| 3 | B8.94 | 2012/12/29 | 12:03 | 12:09 | 12:14 |
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| Last X-flare | 2026/03/30 | X1.4 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 88.4 +10.2 |
| Last 30 days | 88.4 +14.9 |
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