Sunspot region AR8771
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/11/18 | 13 | 70 | CSO | S13E59 | |
| 1999/11/19 | 15 | 170 | FAO | S14E46 | |
| 1999/11/20 | 22 | 150 | DAI | S15E28 | |
| 1999/11/21 | 20 | 180 | DAI | S17E12 | |
| 1999/11/22 | 32 | 220 | EAI | S16E01 | |
| 1999/11/23 | 24 | 280 | EAI | S16W11 | |
| 1999/11/24 | 26 | 650 | EKC | S14W26 | |
| 1999/11/25 | 18 | 750 | EKI | S15W40 | |
| 1999/11/26 | 21 | 820 | FKI | S15W51 | |
| 1999/11/27 | 17 | 720 | FKI | S14W63 | |
| 1999/11/28 | 15 | 720 | EKI | S14W78 | |
| 1999/11/29 | 6 | 170 | EAO | S15W85 |
| C | M | X |
|---|---|---|
| 24 | 13 | 1 |
The top 10 solar flares from sunspot region 8771
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X2.04 | 1999/11/27 | 12:05 | 12:12 | 12:16 | |
| 2 | M8.26 | 1999/11/26 | 01:10 | 01:23 | 01:38 | |
| 3 | M5.06 | 1999/11/28 | 01:26 | 01:46 | 02:00 | |
| 4 | M4.64 | 1999/11/20 | 22:17 | 22:35 | 22:51 | |
| 5 | M4.33 | 1999/11/24 | 23:27 | 23:37 | 23:44 | |
| 6 | M4.06 | 1999/11/27 | 02:36 | 03:01 | 03:12 | |
| 7 | M2.97 | 1999/11/25 | 18:59 | 19:19 | 19:29 | |
| 8 | M2.76 | 1999/11/26 | 03:50 | 04:00 | 04:14 | |
| 9 | M2.06 | 1999/11/18 | 01:42 | 01:49 | 01:54 | |
| 10 | M1.77 | 1999/11/27 | 05:43 | 05:49 | 05:58 |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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| December 2025 | 186 +94.2 |
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