Sunspot region AR12841
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/07/09 | 2 | 20 | BXO | S18E59 | |
| 2021/07/10 | 3 | 20 | BXO | S18E48 | |
| 2021/07/11 | 2 | 10 | BXO | S18E32 | |
| 2021/07/12 | 1 | 10 | AXX | S17E15 | |
| 2021/07/13 | 1 | 0 | AXX | S18E03 |
2021/07/09
2021/07/10
2021/07/11
2021/07/12
2021/07/13
|
2021/07/09
2021/07/10
2021/07/11
2021/07/12
2021/07/13
|
| B |
|---|
| 4 |
The top 4 solar flares from sunspot region 12841
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B7.3 | 2021/07/11 | 01:22 | 01:32 | 01:37 | |
| 2 | B5.1 | 2021/07/09 | 20:32 | 20:41 | 20:45 | |
| 3 | B3.3 | 2021/07/11 | 10:36 | 10:50 | 10:58 | |
| 4 | B1.5 | 2021/07/09 | 23:01 | 23:17 | 23:27 |
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
Incoming & Unnumbered Active Regions 169Solar Transit, Artifacts, or Radiation 85Current Farside Activity 396What, no CH/HSS thread? 54Changelog/Featurelog 178
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/16 | M2.4 |
| Last geomagnetic storm | 2026/02/16 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 103.9 -8.7 |
| Last 30 days | 121.7 +18 |