Sunspot region AR11450
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/04/01 | 5 | 20 | CRO | N15E38 | |
| 2012/04/02 | 4 | 20 | BXO | N17E22 | |
| 2012/04/03 | 7 | 40 | DSO | N16E07 | |
| 2012/04/04 | 13 | 60 | DSI | N16W04 | |
| 2012/04/05 | 11 | 80 | DSI | N17W19 | |
| 2012/04/06 | 14 | 130 | ESI | N15W31 | |
| 2012/04/07 | 15 | 180 | ESI | N16W45 | |
| 2012/04/08 | 14 | 100 | CSI | N15W59 | |
| 2012/04/09 | 1 | 120 | HSX | N15W75 | |
| 2012/04/10 | 1 | 120 | HSX | N15W90 |
| B | C |
|---|---|
| 6 | 8 |
The top 10 solar flares from sunspot region 11450
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.44 | 2012/04/05 | 16:16 | 16:24 | 16:32 | |
| 2 | C3.77 | 2012/04/09 | 01:11 | 01:22 | 01:31 | |
| 3 | C2.25 | 2012/04/05 | 20:49 | 21:10 | 21:57 | |
| 4 | C1.8 | 2012/04/04 | 16:17 | 16:27 | 16:51 | |
| 5 | C1.56 | 2012/04/06 | 23:50 | 00:00 | 00:05 | |
| 6 | C1.39 | 2012/04/05 | 13:18 | 13:27 | 13:41 | |
| 7 | C1.05 | 2012/04/07 | 09:27 | 09:36 | 09:41 | |
| 8 | C1.01 | 2012/04/08 | 11:26 | 11:29 | 11:32 | |
| 9 | B9.93 | 2012/04/04 | 05:30 | 05:57 | 06:31 | |
| 10 | B9.81 | 2012/04/05 | 10:11 | 10:30 | 10:49 |
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |