Sunspot region AR10556
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2004/02/12 | 10 | 30 | CAO | N16E22 | |
| 2004/02/13 | 12 | 30 | BXI | N16E06 | |
| 2004/02/14 | 7 | 20 | CSO | N16W04 | |
| 2004/02/15 | 6 | 10 | CSO | N17W19 | |
| 2004/02/16 | 2 | 20 | BXO | N16W37 | |
| 2004/02/17 | 3 | 20 | CSO | N15W54 |
| B | C |
|---|---|
| 6 | 1 |
The top 7 solar flares from sunspot region 10556
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.35 | 2004/02/16 | 02:53 | 02:58 | 03:00 | |
| 2 | B7.27 | 2004/02/18 | 16:58 | 17:08 | 17:20 | |
| 3 | B5.06 | 2004/02/19 | 16:09 | 16:16 | 16:23 | |
| 4 | B2.89 | 2004/02/19 | 11:55 | 11:59 | 12:03 | |
| 5 | B2.78 | 2004/02/16 | 11:06 | 11:15 | 11:21 | |
| 6 | B2.77 | 2004/02/19 | 10:42 | 10:46 | 10:51 | |
| 7 | B2.53 | 2004/02/19 | 04:40 | 04:43 | 04:48 |
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| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
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