Sunspot region AR9937
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/05/04 | 3 | 70 | CSO | S09E68 | |
| 2002/05/05 | 3 | 100 | DAO | S10E56 | |
| 2002/05/06 | 10 | 210 | DAI | S09E42 | |
| 2002/05/07 | 9 | 180 | DKO | S10E29 | |
| 2002/05/08 | 8 | 120 | DAO | S09E15 | |
| 2002/05/09 | 9 | 150 | DAO | S08E02 | |
| 2002/05/10 | 12 | 150 | DAO | S08W11 | |
| 2002/05/11 | 20 | 190 | DAO | S08W25 | |
| 2002/05/12 | 18 | 240 | DAI | S09W38 | |
| 2002/05/13 | 14 | 150 | DAI | S08W50 | |
| 2002/05/14 | 9 | 90 | DSO | S07W64 | |
| 2002/05/15 | 4 | 30 | DRO | S07W77 | |
| 2002/05/16 | 2 | 30 | AXX | S08W89 |
| B | C | M |
|---|---|---|
| 1 | 7 | 2 |
The top 10 solar flares from sunspot region 9937
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.07 | 2002/05/11 | 11:21 | 11:32 | 11:41 | |
| 2 | M1.34 | 2002/05/04 | 13:09 | 13:25 | 13:38 | |
| 3 | C5.67 | 2002/05/10 | 09:36 | 09:40 | 09:42 | |
| 4 | C2.94 | 2002/05/04 | 18:53 | 19:01 | 19:09 | |
| 5 | C2.75 | 2002/05/05 | 14:38 | 14:46 | 15:12 | |
| 6 | C2.71 | 2002/05/10 | 10:23 | 10:27 | 10:30 | |
| 7 | C2.37 | 2002/05/10 | 14:28 | 14:32 | 14:43 | |
| 8 | C2.09 | 2002/05/09 | 07:56 | 08:00 | 08:06 | |
| 9 | C1.36 | 2002/05/09 | 07:12 | 07:15 | 07:20 | |
| 10 | B9.81 | 2002/05/08 | 04:26 | 04:29 | 04:31 |
Latest news
Monday, 30 March 2026
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Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
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Complex sunspot region 4366
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.7 |
| 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 | 133.3 +47.4 |
| Last 30 days | 96.1 +32 |
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