Sunspot region AR12672
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2017/08/20 | 5 | 10 | DAI | N05E90 | |
| 2017/08/21 | 4 | 120 | DAO | N06E76 | |
| 2017/08/22 | 5 | 160 | DAO | N07E61 | |
| 2017/08/23 | 10 | 270 | DAO | N08E47 | |
| 2017/08/24 | 8 | 240 | ESI | N08E34 | |
| 2017/08/25 | 12 | 240 | ESI | N07E21 | |
| 2017/08/26 | 12 | 140 | EAI | N07E07 | |
| 2017/08/27 | 10 | 130 | EAI | N07W07 | |
| 2017/08/28 | 12 | 150 | ESO | N07W20 | |
| 2017/08/29 | 7 | 100 | CSO | N08W34 | |
| 2017/08/30 | 3 | 60 | CSO | N06W50 | |
| 2017/08/31 | 6 | 70 | DSO | N06W63 | |
| 2017/09/01 | 4 | 70 | DAO | N07W70 | |
| 2017/09/02 | 2 | 60 | DAO | N08W84 | |
| 2017/09/03 | 2 | 60 | DAO | N08W98 |
2017/08/20
2017/08/21
2017/08/22
2017/08/23
2017/08/24
2017/08/25
2017/08/26
2017/08/27
2017/08/28
2017/08/29
2017/08/30
2017/08/31
2017/09/01
2017/09/02
|
2017/08/20
2017/08/21
2017/08/22
2017/08/23
2017/08/24
2017/08/25
2017/08/26
2017/08/27
2017/08/28
2017/08/29
2017/08/30
2017/08/31
2017/09/01
2017/09/02
|
| B | C | M |
|---|---|---|
| 18 | 12 | 2 |
The top 10 solar flares from sunspot region 12672
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.54 | 2017/08/20 | 19:20 | 19:39 | 19:49 | |
| 2 | M1.11 | 2017/09/02 | 15:26 | 15:41 | 15:56 | |
| 3 | C8.49 | 2017/08/21 | 03:05 | 03:16 | 03:30 | |
| 4 | C3.68 | 2017/08/23 | 13:24 | 13:43 | 13:55 | |
| 5 | C2.14 | 2017/09/02 | 21:56 | 22:03 | 22:33 | |
| 6 | C2.01 | 2017/08/23 | 19:10 | 19:31 | 19:41 | |
| 7 | C1.61 | 2017/08/20 | 14:40 | 14:45 | 14:52 | |
| 8 | C1.34 | 2017/08/24 | 15:47 | 15:58 | 16:07 | |
| 9 | C1.32 | 2017/08/28 | 15:33 | 15:40 | 15:58 | |
| 10 | C1.29 | 2017/08/24 | 00:06 | 00:14 | 00:18 |
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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 119.6 -4.4 |
| Last 30 days | 122.3 +11.2 |