Sunspot region AR12644
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2017/03/26 | 3 | 10 | DRO | N13E47 | |
| 2017/03/27 | 10 | 50 | DAO | N12E32 | |
| 2017/03/28 | 15 | 150 | DAI | N13E17 | |
| 2017/03/29 | 12 | 240 | DSI | N12E04 | |
| 2017/03/30 | 10 | 220 | ESO | N12W09 | |
| 2017/03/31 | 3 | 190 | ESO | N12W23 | |
| 2017/04/01 | 4 | 190 | EAO | N15W42 | |
| 2017/04/02 | 8 | 200 | EKC | N14W55 | |
| 2017/04/03 | 19 | 450 | FKC | N15W69 | |
| 2017/04/04 | 12 | 520 | FKC | N13W79 | |
| 2017/04/05 | 7 | 150 | EAO | N13W92 | |
| 2017/04/06 | 7 | 150 | EAO | N13W0* |
2017/03/26
2017/03/27
2017/03/28
2017/03/29
2017/03/30
2017/03/31
2017/04/01
2017/04/02
2017/04/03
2017/04/04
2017/04/05
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2017/03/26
2017/03/27
2017/03/28
2017/03/29
2017/03/30
2017/03/31
2017/04/01
2017/04/02
2017/04/03
2017/04/04
2017/04/05
|
| A | B | C | M |
|---|---|---|---|
| 1 | 22 | 20 | 8 |
The top 10 solar flares from sunspot region 12644
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M8.35 | 2017/04/03 | 14:19 | 14:29 | 14:34 | |
| 2 | M8.22 | 2017/04/02 | 20:26 | 20:33 | 20:38 | |
| 3 | M7.73 | 2017/04/02 | 07:50 | 08:02 | 08:13 | |
| 4 | M6.34 | 2017/04/01 | 21:35 | 21:48 | 22:05 | |
| 5 | M3.4 | 2017/04/02 | 12:52 | 13:00 | 13:11 | |
| 6 | M3.08 | 2017/04/02 | 18:18 | 18:38 | 19:28 | |
| 7 | M1.81 | 2017/04/03 | 00:56 | 01:05 | 01:12 | |
| 8 | M1.05 | 2017/04/03 | 13:18 | 13:24 | 13:28 | |
| 9 | C8.21 | 2017/04/03 | 04:55 | 05:27 | 05:36 | |
| 10 | C7.16 | 2017/04/03 | 20:07 | 20:13 | 20:20 |
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/21 | M1.9 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 100.9 -51.6 |
| Last 30 days | 114.1 -42.1 |