Sunspot region AR12872
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/09/20 | 7 | 30 | CRO | N19E42 | |
| 2021/09/21 | 4 | 10 | BXO | N18E25 | |
| 2021/09/22 | 9 | 70 | CAI | N17E14 | |
| 2021/09/23 | 15 | 120 | CAI | N17E01 | |
| 2021/09/24 | 10 | 80 | CAO | N17W12 | |
| 2021/09/25 | 9 | 60 | CRO | N17W26 | |
| 2021/09/26 | 7 | 40 | CRO | N16W38 | |
| 2021/09/27 | 4 | 10 | BXO | N16W53 |
2021/09/20
2021/09/21
2021/09/22
2021/09/23
2021/09/24
2021/09/25
2021/09/26
2021/09/27
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2021/09/20
2021/09/21
2021/09/22
2021/09/23
2021/09/24
2021/09/25
2021/09/26
2021/09/27
|
| B |
|---|
| 5 |
The top 5 solar flares from sunspot region 12872
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B4.2 | 2021/09/21 | 23:51 | 23:55 | 23:59 | |
| 2 | B3.7 | 2021/09/26 | 15:38 | 15:47 | 16:10 | |
| 3 | B3.4 | 2021/09/22 | 11:17 | 11:25 | 11:30 | |
| 4 | B1.9 | 2021/09/24 | 23:34 | 23:38 | 23:42 | |
| 5 | B1.8 | 2021/09/24 | 15:57 | 16:05 | 16:09 |
Latest news
Saturday, 14 September 2024
X4.5 solar flare with a fast coronal mass ejection
Thursday, 12 September 2024
G3 geomagnetic storm watch due to CME passage
Monday, 12 August 2024
Severe G4 geomagnetic storm
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Space weather facts
| Last X-flare | 2024/09/14 | X4.54 |
| Last M-flare | 2024/09/14 | M3.0 |
| Last geomagnetic storm | 2024/09/17 | Kp8- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| August 2024 | 215.5 +19 |
| September 2024 | 147.6 -68 |
| Last 30 days | 153.9 -57.9 |