Sunspot region AR8763
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/11/11 | 11 | 120 | CAO | S13E74 | |
| 1999/11/12 | 11 | 170 | DAO | S14E59 | |
| 1999/11/13 | 17 | 140 | DSO | S15E46 | |
| 1999/11/14 | 16 | 70 | CSO | S14E32 | |
| 1999/11/15 | 11 | 70 | CSO | S15E18 | |
| 1999/11/16 | 7 | 70 | CSO | S14E04 | |
| 1999/11/17 | 4 | 40 | CSO | S13W07 | |
| 1999/11/18 | 5 | 10 | BXO | S13W20 | |
| 1999/11/19 | 2 | 10 | BXO | S13W35 |
| C | M | X |
|---|---|---|
| 7 | 2 | 1 |
The top 10 solar flares from sunspot region 8763
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1.15 | 1999/11/14 | 07:54 | 08:01 | 08:04 | |
| 2 | M1.86 | 1999/11/13 | 01:14 | 02:58 | 03:51 | |
| 3 | M1.28 | 1999/11/15 | 17:10 | 17:14 | 17:16 | |
| 4 | C9.57 | 1999/11/13 | 15:50 | 16:23 | 16:53 | |
| 5 | C4.89 | 1999/11/11 | 03:02 | 03:09 | 03:13 | |
| 6 | C4.3 | 1999/11/10 | 14:38 | 14:49 | 15:02 | |
| 7 | C4.27 | 1999/11/11 | 21:42 | 21:45 | 21:47 | |
| 8 | C4 | 1999/11/10 | 16:31 | 16:34 | 16:38 | |
| 9 | C3.57 | 1999/11/13 | 08:01 | 08:04 | 08:06 | |
| 10 | C3.21 | 1999/11/13 | 05:32 | 05:35 | 05:43 |
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| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/22 | M2.3 |
| Last geomagnetic storm | 2026/05/16 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
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| May 2026 | 87.5 +8.2 |
| Last 30 days | 98 +7.5 |
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