Sunspot region AR8831
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2000/01/13 | 1 | 20 | HSX | S15E78 | |
| 2000/01/14 | 5 | 70 | CSO | S17E66 | |
| 2000/01/15 | 6 | 80 | CSO | S17E53 | |
| 2000/01/16 | 18 | 100 | DAO | S18E40 | |
| 2000/01/17 | 23 | 160 | DAO | S17E27 | |
| 2000/01/18 | 23 | 270 | EAO | S18E14 | |
| 2000/01/19 | 17 | 220 | EAI | S18E01 | |
| 2000/01/20 | 23 | 200 | EAO | S18W12 | |
| 2000/01/21 | 18 | 210 | EAO | S18W25 | |
| 2000/01/22 | 11 | 180 | EAO | S18W38 | |
| 2000/01/23 | 4 | 110 | DSO | S17W53 | |
| 2000/01/24 | 4 | 90 | CSO | S17W67 | |
| 2000/01/25 | 1 | 60 | HSX | S17W81 | |
| 2000/01/26 | 1 | 60 | HSX | S16W93 |
| M |
|---|
| 2 |
The top 2 solar flares from sunspot region 8831
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M5.64 | 2000/01/18 | 17:07 | 17:27 | 17:44 | |
| 2 | M1.53 | 2000/01/22 | 17:55 | 18:01 | 18:07 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
AR4366 379Do the high-resolution sunspot counts point to more complex sunspots? 42Space Weather Memes 781Incoming & Unnumbered Active Regions 141Current Farside Activity 350
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Space weather facts
| Last X-flare | 2026/02/02 | X2.9 |
| Last M-flare | 2026/02/01 | M1.3 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| Last 30 days | 119 +4.2 |