Sunspot region AR12537
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2016/04/27 | 4 | 20 | CRO | S07W36 | |
| 2016/04/28 | 9 | 40 | DAO | S07W50 | |
| 2016/04/29 | 9 | 80 | DAI | S07W65 | |
| 2016/04/30 | 5 | 70 | DSO | S09W77 | |
| 2016/05/01 | 1 | 20 | HAX | S09W90 | |
| 2016/05/02 | 1 | 20 | HAX | S09W0* |
2016/04/27
2016/04/28
2016/04/29
2016/04/30
2016/05/01
|
2016/04/27
2016/04/28
2016/04/29
2016/04/30
2016/05/01
|
| B | C |
|---|---|
| 12 | 1 |
The top 10 solar flares from sunspot region 12537
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.19 | 2016/05/01 | 01:57 | 02:04 | 02:15 | |
| 2 | B9.55 | 2016/04/27 | 19:18 | 19:23 | 19:27 | |
| 3 | B9.53 | 2016/04/30 | 20:04 | 20:22 | 20:44 | |
| 4 | B9.24 | 2016/04/29 | 21:33 | 21:38 | 21:41 | |
| 5 | B8.48 | 2016/04/29 | 03:51 | 03:59 | 04:07 | |
| 6 | B8.45 | 2016/04/30 | 07:40 | 07:47 | 07:53 | |
| 7 | B7.2 | 2016/04/29 | 14:24 | 14:29 | 14:37 | |
| 8 | B6.68 | 2016/04/27 | 15:43 | 15:48 | 15:55 | |
| 9 | B6.48 | 2016/04/30 | 16:51 | 17:12 | 17:24 | |
| 10 | B6.42 | 2016/04/29 | 13:27 | 13:31 | 13:34 |
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M4.4 |
| Last geomagnetic storm | 2025/12/10 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 155.3 +63.5 |
| Last 30 days | 107.6 +8.5 |