Sunspot region AR10591
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2004/04/13 | 12 | 40 | CAO | S15E01 | |
| 2004/04/14 | 9 | 50 | CAO | S16W13 | |
| 2004/04/15 | 13 | 80 | EAI | S16W25 | |
| 2004/04/16 | 14 | 90 | DSO | S16W38 | |
| 2004/04/17 | 6 | 70 | DAO | S16W52 | |
| 2004/04/18 | 7 | 60 | DAO | S16W65 | |
| 2004/04/19 | 4 | 50 | BXO | S17W79 |
| B | C | M |
|---|---|---|
| 9 | 1 | 1 |
The top 10 solar flares from sunspot region 10591
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.78 | 2004/04/15 | 16:37 | 16:44 | 16:48 | |
| 2 | C1.31 | 2004/04/14 | 13:52 | 14:17 | 14:28 | |
| 3 | B5.67 | 2004/04/14 | 12:16 | 12:25 | 12:37 | |
| 4 | B4.8 | 2004/04/15 | 09:38 | 09:43 | 09:47 | |
| 5 | B4.52 | 2004/04/15 | 11:20 | 11:26 | 11:31 | |
| 6 | B3.86 | 2004/04/15 | 21:59 | 22:04 | 22:06 | |
| 7 | B3.49 | 2004/04/16 | 00:23 | 00:27 | 00:30 | |
| 8 | B3.48 | 2004/04/14 | 02:31 | 02:38 | 02:44 | |
| 9 | B3.39 | 2004/04/15 | 00:51 | 00:55 | 01:06 | |
| 10 | B3.38 | 2004/04/16 | 08:02 | 08:08 | 08:21 |
Latest news
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 107.7 +21.8 |
| Last 30 days | 100 +44.8 |
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