Sunspot region AR9821
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/02/09 | 11 | 30 | DSO | S14E16 | |
| 2002/02/10 | 26 | 80 | DSO | S14E03 | |
| 2002/02/11 | 33 | 280 | ESI | S14W11 | |
| 2002/02/12 | 32 | 310 | EAI | S13W25 | |
| 2002/02/13 | 30 | 350 | EKI | S13W38 | |
| 2002/02/14 | 14 | 330 | DAI | S13W53 | |
| 2002/02/15 | 12 | 260 | DAO | S12W66 | |
| 2002/02/16 | 4 | 110 | DSO | S11W81 |
| C |
|---|
| 10 |
The top 10 solar flares from sunspot region 9821
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C7.47 | 2002/02/12 | 02:49 | 02:59 | 03:22 | |
| 2 | C4.41 | 2002/02/09 | 22:55 | 23:41 | 00:04 | |
| 3 | C3.2 | 2002/02/09 | 09:28 | 09:36 | 09:44 | |
| 4 | C3.12 | 2002/02/11 | 03:18 | 03:33 | 03:40 | |
| 5 | C2.76 | 2002/02/15 | 17:26 | 17:36 | 17:53 | |
| 6 | C2.74 | 2002/02/10 | 01:08 | 01:15 | 01:19 | |
| 7 | C2.6 | 2002/02/10 | 23:43 | 23:47 | 23:51 | |
| 8 | C2.4 | 2002/02/11 | 00:44 | 00:49 | 01:18 | |
| 9 | C2.19 | 2002/02/09 | 20:58 | 21:00 | 21:03 | |
| 10 | C1.72 | 2002/02/11 | 13:53 | 14:02 | 14:06 |
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| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/22 | M2.3 |
| Last geomagnetic storm | 2026/05/16 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
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| May 2026 | 87.6 +8.3 |
| Last 30 days | 99.3 +9.1 |
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