| Sunspot number | New regions | Background flux | C | M |
|---|---|---|---|---|
| 113 | 2 | B7.0 | 7 | 1 |
| Region | Start | Maximum | End | |
|---|---|---|---|---|
| 1748 | C4.0 | 00:41 | 00:47 | 00:53 |
| 1755 | M1.7 | 05:16 | 05:25 | 06:03 |
| 1748 | C2.7 | 14:21 | 14:28 | 14:32 |
| 1748 | C9.6 | 14:59 | 15:06 | 15:10 |
| 1748 | C6.0 | 16:20 | 16:26 | 16:30 |
| 1748 | C1.3 | 19:14 | 19:18 | 19:29 |
| 1753 | C1.6 | 20:02 | 20:10 | 20:18 |
| 1748 | C1.3 | 22:27 | 22:30 | 22:33 |
| Auroral activity | Minor | Severe |
|---|---|---|
| High latitude | 25% | 30% |
| Middle latitude | 5% | 1% |
| Predicted Kp max | 3 |
| Solar activity | |
|---|---|
| M-class solar flare | 1% |
| X-class solar flare | 1% |
| Moon phase |
|---|
| Waning Crescent |
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| Last X-flare: | 2017/09/10 | X8.2 |
| Last M-flare: | 2017/09/09 | M1.1 |
| Last geomagnetic storm: | 2017/10/15 | Kp5 (G1) |
| Number of spotless days in 2017: | 64 | |
| Current stretch spotless days: | 2 | |
