Sunspot region AR12858
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/08/18 | 6 | 20 | CRO | N12W00 | |
| 2021/08/19 | 4 | 30 | CRO | N13W15 | |
| 2021/08/20 | 4 | 10 | BXO | N13W28 | |
| 2021/08/21 | 2 | 10 | AXX | N13W42 | |
| 2021/08/22 | 1 | 0 | AXX | N13W56 |
2021/08/18
2021/08/19
2021/08/20
2021/08/21
2021/08/22
|
2021/08/18
2021/08/19
2021/08/20
2021/08/21
2021/08/22
|
| B |
|---|
| 3 |
The top 3 solar flares from sunspot region 12858
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B2.8 | 2021/08/18 | 19:58 | 20:07 | 20:11 | |
| 2 | B2.1 | 2021/08/18 | 18:27 | 18:34 | 18:43 | |
| 3 | B1.5 | 2021/08/18 | 18:14 | 18:22 | 18:27 |
Latest news
Friday, 1 November 2024
X2.0 solar flare
Wednesday, 9 October 2024
X1.8 solar flare, severe geomagnetic storm watch
Tuesday, 8 October 2024
Double X-flares, glancing blow possible
Latest forum messages
AR13883 2024/11/04 CME 13Unspecified geomagnetic activity 1556Coronal holes 32AR 13883 99The 2024 Aurora Summit prize winner is... 2
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Space weather facts
| Last X-flare | 2024/10/31 | X2.03 |
| Last M-flare | 2024/11/05 | M2.6 |
| Last geomagnetic storm | 2024/10/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2024 | 141.4 -74.1 |
| November 2024 | 215.8 +74.4 |
| Last 30 days | 161.1 +7.2 |