Sunspot region AR8704
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/09/18 | 1 | 70 | HSX | S21E63 | |
| 1999/09/19 | 5 | 110 | CSO | S21E52 | |
| 1999/09/20 | 7 | 180 | CSO | S22E42 | |
| 1999/09/21 | 6 | 110 | ESO | S22E28 | |
| 1999/09/22 | 9 | 130 | ESO | S22E16 | |
| 1999/09/23 | 14 | 120 | CSO | S22E01 | |
| 1999/09/24 | 8 | 100 | CSO | S21W11 | |
| 1999/09/25 | 6 | 120 | CSO | S20W25 | |
| 1999/09/26 | 3 | 110 | CSO | S21W39 | |
| 1999/09/27 | 1 | 110 | HSX | S20W52 | |
| 1999/09/28 | 1 | 100 | HSX | S19W67 | |
| 1999/09/29 | 1 | 50 | HSX | S19W81 | |
| 1999/09/30 | 1 | 30 | HSX | S19W90 |
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 8704
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4 | 1999/09/21 | 07:15 | 07:20 | 07:24 | |
| 2 | C3.13 | 1999/09/27 | 09:00 | 09:12 | 09:21 |
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| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/11 | M1.3 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 175.7 +9.3 |
| Last 30 days | 166.1 +21.7 |