Sunspot region AR10646
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2004/07/12 | 3 | 10 | CRO | N13W33 | |
| 2004/07/13 | 14 | 70 | DAI | N12W46 | |
| 2004/07/14 | 16 | 220 | DAI | N13W60 | |
| 2004/07/15 | 10 | 190 | DAI | N12W72 | |
| 2004/07/16 | 7 | 10 | BXO | N14W84 |
| C | M |
|---|---|
| 11 | 4 |
The top 10 solar flares from sunspot region 10646
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M9.71 | 2004/07/13 | 00:09 | 00:17 | 00:23 | |
| 2 | M8.91 | 2004/07/14 | 05:02 | 05:23 | 05:27 | |
| 3 | M8.9 | 2004/07/13 | 19:24 | 19:32 | 19:36 | |
| 4 | M7.77 | 2004/07/13 | 08:40 | 08:48 | 08:55 | |
| 5 | C9.71 | 2004/07/13 | 05:21 | 05:33 | 05:40 | |
| 6 | C9.51 | 2004/07/14 | 20:51 | 20:54 | 20:58 | |
| 7 | C5.22 | 2004/07/14 | 20:10 | 20:20 | 20:29 | |
| 8 | C5.04 | 2004/07/14 | 20:36 | 20:43 | 20:50 | |
| 9 | C4.58 | 2004/07/13 | 23:27 | 23:33 | 23:37 | |
| 10 | C4.43 | 2004/07/14 | 00:39 | 00:58 | 01:05 |
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/03/03 | Kp5 (G1) |
| 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 | 74.8 -3.4 |
| Last 30 days | 52.1 -75.8 |