Sunspot region AR8355
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1998/10/08 | 6 | 320 | DAO | S21E64 | |
| 1998/10/09 | 10 | 220 | DAI | S22E51 | |
| 1998/10/10 | 13 | 160 | DAI | S22E37 | |
| 1998/10/11 | 17 | 180 | DAI | S22E23 | |
| 1998/10/12 | 16 | 110 | DSO | S22E10 | |
| 1998/10/13 | 16 | 150 | DSO | S22W04 | |
| 1998/10/14 | 16 | 120 | DAI | S21W17 | |
| 1998/10/15 | 10 | 80 | DAO | S21W29 | |
| 1998/10/16 | 4 | 20 | BXO | S21W43 | |
| 1998/10/17 | 2 | 0 | AXX | S22W59 |
| B | C | M |
|---|---|---|
| 2 | 9 | 2 |
The top 10 solar flares from sunspot region 8355
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M3.37 | 1998/10/07 | 17:04 | 17:12 | 17:17 | |
| 2 | M2.39 | 1998/10/07 | 12:42 | 12:47 | 12:53 | |
| 3 | C6.14 | 1998/10/07 | 16:11 | 16:16 | 16:20 | |
| 4 | C5.11 | 1998/10/07 | 17:55 | 17:58 | 18:01 | |
| 5 | C4.33 | 1998/10/07 | 15:36 | 15:41 | 15:48 | |
| 6 | C3.41 | 1998/10/08 | 12:45 | 12:49 | 12:51 | |
| 7 | C3.19 | 1998/10/07 | 15:16 | 15:19 | 15:22 | |
| 8 | C2.93 | 1998/10/07 | 19:44 | 19:48 | 19:52 | |
| 9 | C1.44 | 1998/10/12 | 19:39 | 19:44 | 19:46 | |
| 10 | C1.34 | 1998/10/09 | 13:18 | 13:22 | 13:25 |
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/22 | M1.0 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 103.3 -49.2 |
| Last 30 days | 115.4 -40.8 |