Sunspot region AR12843
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/07/14 | 2 | 10 | AXX | S17W45 | |
| 2021/07/15 | 1 | 0 | AXX | S17W58 | |
| 2021/07/16 | 3 | 30 | BXO | S17W72 | |
| 2021/07/17 | 1 | 10 | AXX | S18W86 | |
| 2021/07/18 | 1 | 10 | AXX | S18W0* |
2021/07/14
2021/07/15
2021/07/16
2021/07/17
2021/07/18
|
2021/07/14
2021/07/15
2021/07/16
2021/07/17
2021/07/18
|
| B | C |
|---|---|
| 33 | 2 |
The top 10 solar flares from sunspot region 12843
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.7 | 2021/07/16 | 08:27 | 08:37 | 08:45 | |
| 2 | C1.1 | 2021/07/16 | 07:14 | 07:27 | 07:36 | |
| 3 | B9.7 | 2021/07/18 | 06:56 | 07:10 | 07:22 | |
| 4 | B8.0 | 2021/07/16 | 11:30 | 11:40 | 11:47 | |
| 5 | B7.8 | 2021/07/16 | 05:49 | 06:02 | 06:11 | |
| 6 | B6.7 | 2021/07/15 | 23:18 | 23:23 | 23:27 | |
| 7 | B5.8 | 2021/07/16 | 01:58 | 02:10 | 02:21 | |
| 8 | B5.3 | 2021/07/15 | 18:44 | 18:56 | 19:00 | |
| 9 | B5.0 | 2021/07/16 | 04:49 | 05:00 | 05:05 | |
| 10 | B4.8 | 2021/07/15 | 21:14 | 21:19 | 21:24 |
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2026/01/17 | M1.1 |
| Last geomagnetic storm | 2026/01/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 98.3 -25.7 |
| Last 30 days | 102.5 -5.2 |