Sunspot region AR9390
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/03/21 | 2 | 40 | CAO | N14E73 | |
| 2001/03/22 | 9 | 280 | EAO | N14E60 | |
| 2001/03/23 | 16 | 300 | FAO | N15E46 | |
| 2001/03/24 | 17 | 130 | FAI | N16E34 | |
| 2001/03/25 | 19 | 100 | FAI | N15E19 | |
| 2001/03/26 | 25 | 80 | ESI | N14E06 | |
| 2001/03/27 | 18 | 90 | ESI | N15W08 | |
| 2001/03/28 | 9 | 110 | ESO | N14W22 | |
| 2001/03/29 | 8 | 80 | CSO | N13W38 | |
| 2001/03/30 | 3 | 50 | CSO | N14W50 | |
| 2001/03/31 | 1 | 50 | HSX | N13W65 | |
| 2001/04/01 | 1 | 40 | HAX | N14W77 | |
| 2001/04/02 | 1 | 30 | HSX | N11W91 |
| C | M |
|---|---|
| 6 | 4 |
The top 10 solar flares from sunspot region 9390
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.43 | 2001/03/24 | 19:35 | 19:55 | 20:47 | |
| 2 | M1.61 | 2001/03/20 | 14:19 | 14:24 | 14:38 | |
| 3 | M1.53 | 2001/03/22 | 13:12 | 13:19 | 13:34 | |
| 4 | M1.26 | 2001/03/20 | 22:46 | 22:54 | 23:02 | |
| 5 | C8.08 | 2001/03/27 | 19:10 | 19:18 | 19:30 | |
| 6 | C6.05 | 2001/03/27 | 00:47 | 00:55 | 01:07 | |
| 7 | C5.86 | 2001/03/25 | 20:48 | 20:54 | 21:00 | |
| 8 | C4.86 | 2001/03/25 | 05:32 | 05:40 | 05:50 | |
| 9 | C3.87 | 2001/03/23 | 03:50 | 04:08 | 04:16 | |
| 10 | C3.13 | 2001/03/23 | 20:34 | 20:44 | 20:49 |
Latest news
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| Last X-flare | 2026/02/04 | X4.21 |
| 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 | |
|---|---|
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| March 2026 | 84 +5.8 |
| Last 30 days | 84 +6.2 |