Sunspot region AR12844
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/07/16 | 1 | 20 | AXX | S43E59 | |
| 2021/07/17 | 1 | 10 | AXX | S43E49 | |
| 2021/07/18 | 1 | 10 | AXX | S41E35 | |
| 2021/07/19 | 1 | 10 | AXX | S43E22 |
2021/07/16
2021/07/17
2021/07/18
2021/07/19
|
2021/07/16
2021/07/17
2021/07/18
2021/07/19
|
| B |
|---|
| 4 |
The top 4 solar flares from sunspot region 12844
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B4.1 | 2021/07/16 | 12:54 | 12:59 | 13:05 | |
| 2 | B1.6 | 2021/07/16 | 16:23 | 16:26 | 16:31 | |
| 3 | B1.5 | 2021/07/16 | 20:40 | 20:45 | 20:49 | |
| 4 | B1.2 | 2021/07/16 | 18:20 | 18:27 | 18:33 |
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
AR4379 4Incoming & Unnumbered Active Regions 212AR4378 1Guess who’s back? AR4366! 4Guess who’s back? AR4366! 0
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.3 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 78.9 -33.7 |
| Last 30 days | 86.6 -35.9 |