Sunspot region AR9791
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2002/01/21 | 9 | 30 | CSO | S03W19 | |
| 2002/01/22 | 6 | 120 | DSO | S03W33 | |
| 2002/01/23 | 10 | 70 | DAO | S02W46 | |
| 2002/01/24 | 5 | 60 | DSO | S02W59 | |
| 2002/01/25 | 1 | 40 | HSX | S04W78 |
| C | M |
|---|---|
| 2 | 1 |
The top 3 solar flares from sunspot region 9791
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.86 | 2002/01/22 | 08:52 | 09:00 | 09:03 | |
| 2 | C5.06 | 2002/01/21 | 22:29 | 22:33 | 22:42 | |
| 3 | C2.49 | 2002/01/21 | 18:15 | 18:19 | 18:21 |
Latest news
Tuesday, 13 May 2025
X1.1 solar flare from sunspot region 4086
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Friday, 28 March 2025
X1.1 solar flare
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/05/12 | M1.9 |
| Last geomagnetic storm | 2025/05/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2025 | 140.6 +6.4 |
| May 2025 | 76.7 -63.9 |
| Last 30 days | 100.9 -32 |