Sunspot region AR8749
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/10/30 | 1 | 0 | AXX | S21E49 | |
| 1999/10/31 | 4 | 10 | BXO | S21E31 | |
| 1999/11/01 | 15 | 60 | DSO | S18E15 | |
| 1999/11/02 | 23 | 160 | EAO | S18E02 | |
| 1999/11/03 | 27 | 210 | EAO | S18W11 | |
| 1999/11/04 | 26 | 210 | ESO | S18W26 | |
| 1999/11/05 | 14 | 230 | EAO | S18W39 | |
| 1999/11/06 | 15 | 290 | EAO | S18W51 | |
| 1999/11/07 | 12 | 260 | ESO | S18W64 | |
| 1999/11/08 | 5 | 140 | EAO | S18W76 | |
| 1999/11/09 | 2 | 30 | AXX | S18W89 |
| C | M |
|---|---|
| 16 | 2 |
The top 10 solar flares from sunspot region 8749
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.13 | 1999/11/04 | 04:55 | 05:03 | 05:14 | |
| 2 | M1.09 | 1999/10/31 | 06:50 | 07:02 | 07:16 | |
| 3 | C8.51 | 1999/11/08 | 05:55 | 06:02 | 06:09 | |
| 4 | C7.54 | 1999/11/04 | 02:53 | 03:00 | 03:07 | |
| 5 | C5.41 | 1999/11/06 | 20:29 | 20:40 | 20:53 | |
| 6 | C5.29 | 1999/11/01 | 01:30 | 01:42 | 01:55 | |
| 7 | C4.51 | 1999/11/07 | 04:33 | 04:38 | 04:43 | |
| 8 | C4.24 | 1999/11/04 | 01:27 | 01:46 | 01:57 | |
| 9 | C3.97 | 1999/10/31 | 03:53 | 04:02 | 04:13 | |
| 10 | C3.56 | 1999/11/01 | 06:46 | 06:53 | 07:05 |
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| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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