Sunspot region AR9811
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/02/03 | 1 | 90 | HAX | S27E83 | |
| 2002/02/04 | 4 | 120 | CSO | S27E70 | |
| 2002/02/05 | 7 | 290 | DAO | S28E57 | |
| 2002/02/06 | 12 | 240 | DAO | S25E45 | |
| 2002/02/07 | 12 | 200 | DAO | S25E32 | |
| 2002/02/08 | 11 | 140 | DAO | S26E20 | |
| 2002/02/09 | 12 | 140 | DAO | S26E06 | |
| 2002/02/10 | 13 | 130 | CAO | S27W05 | |
| 2002/02/11 | 5 | 100 | DSO | S26W20 | |
| 2002/02/12 | 8 | 70 | DAO | S26W32 | |
| 2002/02/13 | 4 | 40 | CSO | S26W45 | |
| 2002/02/14 | 1 | 30 | HSX | S25W60 | |
| 2002/02/15 | 1 | 20 | HSX | S24W71 |
| C | M |
|---|---|
| 4 | 1 |
The top 5 solar flares from sunspot region 9811
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.32 | 2002/02/10 | 18:40 | 18:48 | 18:53 | |
| 2 | C7.27 | 2002/02/12 | 21:29 | 21:36 | 21:41 | |
| 3 | C5.78 | 2002/02/06 | 19:28 | 19:39 | 19:47 | |
| 4 | C4.82 | 2002/02/06 | 06:06 | 06:11 | 06:19 | |
| 5 | C2.44 | 2002/02/09 | 19:40 | 19:44 | 19:47 |
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 118.8 +32.8 |
| Last 30 days | 103.2 +49.3 |
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