Sunspot region AR10388
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/06/20 | 8 | 30 | CSO | S03E08 | |
| 2003/06/21 | 20 | 60 | DAI | S03W06 | |
| 2003/06/22 | 22 | 140 | EAI | S03W19 | |
| 2003/06/23 | 17 | 130 | DAO | S02W32 | |
| 2003/06/24 | 10 | 100 | EAO | S01W47 | |
| 2003/06/25 | 8 | 60 | DAO | S02W57 | |
| 2003/06/26 | 3 | 40 | BXO | N02W79 |
| B | C |
|---|---|
| 6 | 5 |
The top 10 solar flares from sunspot region 10388
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.66 | 2003/06/21 | 13:07 | 13:13 | 13:15 | |
| 2 | C3.26 | 2003/06/21 | 02:30 | 02:35 | 02:39 | |
| 3 | C1.76 | 2003/06/22 | 21:42 | 21:48 | 21:51 | |
| 4 | C1.53 | 2003/06/22 | 09:45 | 09:49 | 09:51 | |
| 5 | C1.03 | 2003/06/21 | 06:44 | 06:49 | 06:53 | |
| 6 | B9.33 | 2003/06/20 | 16:38 | 16:43 | 16:48 | |
| 7 | B8.14 | 2003/06/21 | 08:32 | 08:42 | 08:50 | |
| 8 | B7.13 | 2003/06/21 | 23:32 | 23:35 | 23:37 | |
| 9 | B6.97 | 2003/06/19 | 00:25 | 00:28 | 00:32 | |
| 10 | B6.36 | 2003/06/23 | 17:02 | 17:06 | 17:09 |
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/16 | M2.4 |
| Last geomagnetic storm | 2026/02/16 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 97.3 -15.3 |
| Last 30 days | 113.3 +2.3 |