Sunspot region AR9373
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/03/10 | 3 | 50 | CAO | S07E71 | |
| 2001/03/11 | 9 | 190 | DAO | S07E61 | |
| 2001/03/12 | 19 | 230 | DAI | S08E48 | |
| 2001/03/13 | 32 | 320 | EAI | S08E34 | |
| 2001/03/14 | 37 | 190 | EAI | S07E20 | |
| 2001/03/15 | 57 | 190 | EAI | S08E07 | |
| 2001/03/16 | 53 | 240 | FSI | S07W06 | |
| 2001/03/17 | 32 | 240 | FAI | S07W20 | |
| 2001/03/18 | 22 | 230 | FAO | S07W34 | |
| 2001/03/19 | 27 | 220 | FAO | S07W43 | |
| 2001/03/20 | 21 | 270 | FAI | S07W58 | |
| 2001/03/21 | 23 | 270 | FAO | S07W71 | |
| 2001/03/22 | 10 | 180 | EAO | S06W81 | |
| 2001/03/23 | 4 | 60 | HSX | S05W92 |
| B | C | M |
|---|---|---|
| 1 | 20 | 5 |
The top 10 solar flares from sunspot region 9373
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.65 | 2001/03/21 | 02:28 | 02:37 | 02:42 | |
| 2 | M2.33 | 2001/03/20 | 14:57 | 15:07 | 15:14 | |
| 3 | M2.25 | 2001/03/20 | 20:56 | 21:04 | 21:12 | |
| 4 | M1.65 | 2001/03/20 | 02:06 | 02:18 | 02:25 | |
| 5 | M1.41 | 2001/03/21 | 11:22 | 11:27 | 11:32 | |
| 6 | C7.74 | 2001/03/16 | 10:33 | 10:41 | 10:49 | |
| 7 | C5.61 | 2001/03/17 | 17:12 | 17:20 | 17:29 | |
| 8 | C4.97 | 2001/03/19 | 18:40 | 18:45 | 18:49 | |
| 9 | C4.95 | 2001/03/18 | 07:39 | 07:48 | 07:55 | |
| 10 | C4.6 | 2001/03/19 | 23:17 | 23:27 | 23:32 |
Latest news
Tuesday, 17 March 2026
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/14 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 82.4 +4.2 |
| Last 30 days | 61.1 -58.1 |