Sunspot region AR10656
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2004/08/07 | 1 | 40 | HSX | S12E69 | |
| 2004/08/08 | 7 | 250 | DKO | S13E58 | |
| 2004/08/09 | 20 | 290 | EAO | S12E45 | |
| 2004/08/10 | 61 | 660 | EKC | S12E31 | |
| 2004/08/11 | 43 | 700 | EKC | S12E18 | |
| 2004/08/12 | 68 | 990 | EKC | S13E03 | |
| 2004/08/13 | 83 | 1320 | FKC | S13W09 | |
| 2004/08/14 | 99 | 1360 | FKC | S13W22 | |
| 2004/08/15 | 66 | 1300 | FKC | S13W35 | |
| 2004/08/16 | 54 | 1310 | FHC | S13W48 | |
| 2004/08/17 | 33 | 1330 | FHC | S13W61 | |
| 2004/08/18 | 21 | 930 | FKC | S14W77 | |
| 2004/08/19 | 7 | 190 | EAO | S13W91 |
| B | C | M | X |
|---|---|---|---|
| 13 | 105 | 34 | 4 |
The top 10 solar flares from sunspot region 10656
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X2.6 | 2004/08/18 | 17:29 | 17:40 | 17:54 | |
| 2 | X1.55 | 2004/08/13 | 18:07 | 18:12 | 18:15 | |
| 3 | X1.34 | 2004/08/15 | 12:34 | 12:41 | 12:43 | |
| 4 | X1.06 | 2004/08/14 | 05:36 | 05:44 | 05:52 | |
| 5 | M8.04 | 2004/08/14 | 13:31 | 13:43 | 13:50 | |
| 6 | M4.7 | 2004/08/14 | 09:52 | 10:07 | 10:17 | |
| 7 | M4.42 | 2004/08/13 | 23:14 | 23:43 | 23:46 | |
| 8 | M4.41 | 2004/08/19 | 06:35 | 07:01 | 07:18 | |
| 9 | M4.1 | 2004/08/13 | 23:46 | 23:50 | 23:54 | |
| 10 | M3.72 | 2004/08/15 | 11:23 | 11:32 | 11:48 |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 85.2 +7 |
| Last 30 days | 85.2 +8.6 |
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