Sunspot region AR8699
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/09/12 | 13 | 30 | DRO | N21E29 | |
| 1999/09/13 | 17 | 110 | DAI | N21E15 | |
| 1999/09/14 | 22 | 160 | EAO | N21E01 | |
| 1999/09/15 | 22 | 240 | EAI | N21W11 | |
| 1999/09/16 | 23 | 220 | EAO | N22W25 | |
| 1999/09/17 | 13 | 220 | ESO | N22W39 | |
| 1999/09/18 | 9 | 170 | DSO | N22W52 | |
| 1999/09/19 | 6 | 160 | DSO | N22W65 | |
| 1999/09/20 | 6 | 170 | ESO | N23W78 | |
| 1999/09/21 | 1 | 60 | HSX | N24W88 |
| C | M |
|---|---|
| 14 | 1 |
The top 10 solar flares from sunspot region 8699
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.38 | 1999/09/19 | 23:03 | 23:12 | 23:20 | |
| 2 | C7.43 | 1999/09/21 | 03:00 | 03:22 | 03:41 | |
| 3 | C7.11 | 1999/09/19 | 14:07 | 14:40 | 15:01 | |
| 4 | C7.06 | 1999/09/13 | 08:05 | 08:46 | 09:32 | |
| 5 | C4.59 | 1999/09/19 | 10:34 | 11:24 | 11:54 | |
| 6 | C3.31 | 1999/09/18 | 18:18 | 18:21 | 18:23 | |
| 7 | C3.24 | 1999/09/12 | 11:51 | 11:59 | 12:07 | |
| 8 | C2.86 | 1999/09/16 | 01:27 | 01:34 | 01:39 | |
| 9 | C2.81 | 1999/09/18 | 09:13 | 09:19 | 09:21 | |
| 10 | C2.24 | 1999/09/15 | 21:06 | 21:08 | 21:09 |
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| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 119.6 -4.4 |
| Last 30 days | 122.3 +11.2 |