Sunspot region AR10220
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/12/10 | 12 | 150 | DAO | S12E47 | |
| 2002/12/11 | 16 | 310 | DAI | S12E33 | |
| 2002/12/12 | 25 | 270 | DAI | S12E21 | |
| 2002/12/13 | 17 | 190 | DAI | S12E07 | |
| 2002/12/14 | 15 | 140 | DAO | S12W06 | |
| 2002/12/15 | 16 | 120 | EAO | S13W18 | |
| 2002/12/16 | 12 | 80 | DAO | S12W33 | |
| 2002/12/17 | 1 | 40 | HSX | S12W50 | |
| 2002/12/18 | 3 | 80 | HSX | S13W64 | |
| 2002/12/19 | 1 | 40 | HAX | S13W78 | |
| 2002/12/20 | 1 | 0 | AXX | S13W91 |
| C |
|---|
| 6 |
The top 6 solar flares from sunspot region 10220
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C7.89 | 2002/12/10 | 01:27 | 01:32 | 01:37 | |
| 2 | C4.33 | 2002/12/13 | 01:03 | 01:10 | 01:28 | |
| 3 | C4.27 | 2002/12/10 | 03:53 | 03:59 | 04:01 | |
| 4 | C3.73 | 2002/12/10 | 19:32 | 19:36 | 19:40 | |
| 5 | C3.63 | 2002/12/08 | 23:18 | 23:26 | 23:36 | |
| 6 | C1.64 | 2002/12/14 | 06:43 | 06:47 | 06:50 |
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| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/04/25 | M1.1 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
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| April 2026 | 80 -5.9 |
| Last 30 days | 89.2 +10.2 |
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