Sunspot region AR10528
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2003/12/19 | 6 | 170 | HAX | N08E71 | |
| 2003/12/20 | 15 | 290 | FAC | N09E62 | |
| 2003/12/21 | 20 | 360 | FSI | N09E49 | |
| 2003/12/22 | 19 | 390 | FHO | N09E37 | |
| 2003/12/23 | 45 | 410 | FKO | N09E23 | |
| 2003/12/24 | 43 | 520 | FKC | N09E09 | |
| 2003/12/25 | 38 | 540 | FAI | N09W04 | |
| 2003/12/26 | 22 | 740 | FKC | N10W18 | |
| 2003/12/27 | 36 | 690 | FKC | N10W31 | |
| 2003/12/28 | 19 | 640 | FKC | N10W44 | |
| 2003/12/29 | 12 | 500 | FKC | N10W57 | |
| 2003/12/30 | 12 | 430 | FKC | N08W69 | |
| 2003/12/31 | 5 | 100 | FAO | N10W81 | |
| 2004/01/01 | 3 | 120 | CAO | N09W93 |
| B | C | M |
|---|---|---|
| 5 | 30 | 4 |
The top 10 solar flares from sunspot region 10528
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.21 | 2003/12/26 | 19:13 | 19:28 | 19:33 | |
| 2 | M1.43 | 2003/12/31 | 18:21 | 18:24 | 18:26 | |
| 3 | M1.34 | 2003/12/19 | 08:05 | 08:18 | 08:30 | |
| 4 | M1.02 | 2003/12/26 | 10:23 | 10:40 | 10:59 | |
| 5 | C9.15 | 2004/01/01 | 03:16 | 03:21 | 03:23 | |
| 6 | C7.89 | 2003/12/22 | 00:39 | 00:45 | 00:49 | |
| 7 | C7.64 | 2003/12/25 | 07:38 | 08:25 | 09:32 | |
| 8 | C7.59 | 2003/12/25 | 02:22 | 02:31 | 02:37 | |
| 9 | C6.52 | 2003/12/21 | 02:38 | 02:46 | 03:14 | |
| 10 | C5.39 | 2003/12/22 | 19:37 | 19:50 | 20:04 |
Latest news
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/22 | Kp7- (G3) |
| 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 | 77 -1.2 |
| Last 30 days | 68.9 -24 |