Sunspot region AR12681
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2017/09/21 | 1 | 60 | HSX | S12E73 | |
| 2017/09/22 | 1 | 80 | HSX | S13E59 | |
| 2017/09/23 | 1 | 80 | HSX | S13E46 | |
| 2017/09/24 | 2 | 90 | CSO | S13E32 | |
| 2017/09/25 | 1 | 90 | HSX | S13E19 | |
| 2017/09/26 | 3 | 100 | CSO | S12E04 | |
| 2017/09/27 | 7 | 120 | CSO | S15W09 | |
| 2017/09/28 | 1 | 80 | HSX | S13W21 | |
| 2017/09/29 | 1 | 70 | HSX | S14W35 | |
| 2017/09/30 | 1 | 70 | HSX | S14W48 | |
| 2017/10/01 | 1 | 60 | HSX | S14W61 | |
| 2017/10/02 | 1 | 60 | HSX | S14W74 |
2017/09/21
2017/09/22
2017/09/23
2017/09/24
2017/09/25
2017/09/26
2017/09/27
2017/09/28
2017/09/29
2017/09/30
2017/10/01
2017/10/02
|
2017/09/21
2017/09/22
2017/09/23
2017/09/24
2017/09/25
2017/09/26
2017/09/27
2017/09/28
2017/09/29
2017/09/30
2017/10/01
2017/10/02
|
| B |
|---|
| 4 |
The top 4 solar flares from sunspot region 12681
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B8.18 | 2017/09/25 | 14:35 | 15:14 | 15:32 | |
| 2 | B7.78 | 2017/09/25 | 02:14 | 02:35 | 02:46 | |
| 3 | B3.81 | 2017/09/28 | 14:09 | 14:34 | 15:33 | |
| 4 | B3.47 | 2017/09/24 | 23:20 | 23:27 | 23:37 |
Latest news
Saturday, 4 May 2024
Sunspot region 3663, X1 solar flare
Monday, 22 April 2024
Lot's of sunspots! Big chance for major flare activity?
Saturday, 23 March 2024
X1.1 solar flare with earth-directed CME
Latest forum messages
Latest SC25 Predictions 108Does anyone know what happened to solarham.net? 11AR3663 94Weakening of Earths magnetic field due to geomagnetic excursion 6AR3666 Beta-Gamma-Delta 7
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Space weather facts
| Last X-flare | 2024/05/03 | X1.6 |
| Last M-flare | 2024/05/04 | M1.2 |
| Last geomagnetic storm | 2024/05/02 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| Last 30 days | 151.9 +56.5 |