Sunspot region AR10551
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2004/02/03 | 1 | 40 | HAX | S06E64 | |
| 2004/02/04 | 3 | 50 | CAO | S05E51 | |
| 2004/02/05 | 8 | 110 | DAO | S06E39 | |
| 2004/02/06 | 21 | 220 | DKO | S06E26 | |
| 2004/02/07 | 21 | 260 | DAO | S06E13 | |
| 2004/02/08 | 26 | 300 | DAO | S06W00 | |
| 2004/02/09 | 23 | 370 | EKO | S06W14 | |
| 2004/02/10 | 23 | 330 | EKI | S06W27 | |
| 2004/02/11 | 20 | 210 | ESO | S08W41 | |
| 2004/02/12 | 14 | 130 | EAO | S08W55 | |
| 2004/02/13 | 5 | 90 | DSO | S08W68 | |
| 2004/02/14 | 2 | 50 | HXX | S07W79 |
| B | C |
|---|---|
| 19 | 5 |
The top 10 solar flares from sunspot region 10551
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.65 | 2004/02/03 | 13:36 | 13:40 | 13:45 | |
| 2 | C2.04 | 2004/02/03 | 22:41 | 22:46 | 22:56 | |
| 3 | C1.72 | 2004/02/03 | 18:18 | 18:25 | 18:33 | |
| 4 | C1.69 | 2004/02/03 | 08:38 | 08:52 | 09:02 | |
| 5 | C1.09 | 2004/02/04 | 15:08 | 15:14 | 15:21 | |
| 6 | B9.27 | 2004/02/04 | 13:36 | 13:41 | 13:45 | |
| 7 | B8.58 | 2004/02/11 | 15:23 | 15:29 | 15:36 | |
| 8 | B8.28 | 2004/02/03 | 12:55 | 12:59 | 13:05 | |
| 9 | B8.15 | 2004/02/04 | 15:28 | 15:36 | 15:40 | |
| 10 | B7.3 | 2004/02/11 | 05:25 | 05:30 | 05:33 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
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| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/10 | M5.7 |
| Last geomagnetic storm | 2026/05/05 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 103.1 +23.8 |
| Last 30 days | 95.2 +0.9 |
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