Sunspot region AR9906
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/04/12 | 9 | 80 | DSO | S16E40 | |
| 2002/04/13 | 20 | 190 | DAI | S16E26 | |
| 2002/04/14 | 38 | 470 | DKC | S15E13 | |
| 2002/04/15 | 32 | 640 | EKI | S15W02 | |
| 2002/04/16 | 34 | 690 | EKI | S15W14 | |
| 2002/04/17 | 27 | 590 | EKI | S15W28 | |
| 2002/04/18 | 26 | 650 | EKI | S14W41 | |
| 2002/04/19 | 33 | 770 | EKC | S14W55 | |
| 2002/04/20 | 37 | 850 | EKC | S14W66 | |
| 2002/04/21 | 27 | 680 | EAC | S14W79 | |
| 2002/04/22 | 14 | 330 | EAI | S14W90 |
| C | M | X |
|---|---|---|
| 8 | 3 | 1 |
The top 10 solar flares from sunspot region 9906
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X2.2 | 2002/04/21 | 00:43 | 01:51 | 02:38 | |
| 2 | M3.79 | 2002/04/17 | 07:46 | 08:24 | 09:57 | |
| 3 | M1.84 | 2002/04/15 | 03:05 | 03:55 | 05:06 | |
| 4 | M1.1 | 2002/04/22 | 00:03 | 00:19 | 00:21 | |
| 5 | C5.56 | 2002/04/14 | 13:37 | 13:50 | 14:15 | |
| 6 | C4.88 | 2002/04/19 | 18:14 | 18:22 | 18:46 | |
| 7 | C4.42 | 2002/04/12 | 08:39 | 08:42 | 08:44 | |
| 8 | C3.6 | 2002/04/19 | 15:16 | 15:21 | 15:27 | |
| 9 | C2.95 | 2002/04/19 | 07:50 | 07:54 | 07:57 | |
| 10 | C2.75 | 2002/04/13 | 15:15 | 15:25 | 15:33 |
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/15 | M1.2 |
| Last geomagnetic storm | 2025/04/16 | Kp8- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 120.5 -13.7 |
| Last 30 days | 116.6 -25.7 |