Sunspot region AR9311
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/01/16 | 4 | 50 | CAO | N04E53 | |
| 2001/01/17 | 7 | 30 | CSO | N04E36 | |
| 2001/01/18 | 6 | 40 | DSO | N04E25 | |
| 2001/01/19 | 16 | 60 | DAO | N04E11 | |
| 2001/01/20 | 11 | 80 | DSO | N04W04 | |
| 2001/01/21 | 4 | 60 | CSO | N05W20 | |
| 2001/01/22 | 6 | 50 | CSO | N05W36 | |
| 2001/01/23 | 7 | 100 | DSO | N05W48 | |
| 2001/01/24 | 11 | 140 | DAO | N06W62 | |
| 2001/01/25 | 9 | 230 | EAO | N06W76 | |
| 2001/01/26 | 2 | 60 | HSX | N05W86 |
| C | M |
|---|---|
| 8 | 3 |
The top 10 solar flares from sunspot region 9311
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.59 | 2001/01/21 | 23:08 | 23:12 | 23:19 | |
| 2 | M1.56 | 2001/01/24 | 14:37 | 14:47 | 14:50 | |
| 3 | M1.33 | 2001/01/24 | 00:38 | 00:49 | 01:00 | |
| 4 | C9.03 | 2001/01/24 | 15:40 | 15:51 | 15:55 | |
| 5 | C6.5 | 2001/01/24 | 18:25 | 18:34 | 18:42 | |
| 6 | C6.49 | 2001/01/21 | 21:11 | 21:16 | 21:25 | |
| 7 | C6.21 | 2001/01/23 | 20:32 | 20:44 | 21:14 | |
| 8 | C3 | 2001/01/24 | 19:29 | 19:32 | 19:39 | |
| 9 | C2.06 | 2001/01/24 | 20:41 | 20:45 | 20:48 | |
| 10 | C1.93 | 2001/01/24 | 08:15 | 08:18 | 08:22 |
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|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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| February 2025 | 145 -9.5 |
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