Sunspot region AR12837
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/06/28 | 1 | 20 | HSX | N17E69 | |
| 2021/06/29 | 2 | 20 | HRX | N17E56 | |
| 2021/06/30 | 2 | 20 | HRX | N17E42 | |
| 2021/07/01 | 5 | 20 | BXO | N17E29 | |
| 2021/07/02 | 9 | 30 | DRO | N18E15 | |
| 2021/07/03 | 4 | 20 | BXO | N17E01 | |
| 2021/07/04 | 9 | 20 | BXO | N17W13 | |
| 2021/07/05 | 2 | 10 | BXO | N17W22 | |
| 2021/07/06 | 1 | 0 | AXX | N17W37 |
2021/06/28
2021/06/29
2021/06/30
2021/07/01
2021/07/02
2021/07/03
2021/07/04
2021/07/05
2021/07/06
|
2021/06/28
2021/06/29
2021/06/30
2021/07/01
2021/07/02
2021/07/03
2021/07/04
2021/07/05
2021/07/06
|
| B |
|---|
| 7 |
The top 7 solar flares from sunspot region 12837
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B6.8 | 2021/07/07 | 15:16 | 15:46 | 16:17 | |
| 2 | B6.6 | 2021/06/29 | 11:08 | 11:24 | 11:44 | |
| 3 | B3.2 | 2021/07/02 | 01:15 | 01:23 | 01:32 | |
| 4 | B3.2 | 2021/07/02 | 06:33 | 06:39 | 06:44 | |
| 5 | B2.8 | 2021/07/01 | 17:53 | 18:01 | 18:08 | |
| 6 | B2.8 | 2021/07/02 | 06:11 | 06:17 | 06:33 | |
| 7 | B1.7 | 2021/07/08 | 17:12 | 17:19 | 17:23 |
Latest news
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/04 | M1.8 |
| 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 |
| February 2026 | 133 +9 |
| Last 30 days | 121.6 +13.3 |