Sunspot region AR8456
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/02/08 | 1 | 0 | AXX | N23E65 | |
| 1999/02/09 | 8 | 80 | CSO | N23E55 | |
| 1999/02/10 | 9 | 140 | ESO | N24E42 | |
| 1999/02/11 | 13 | 220 | ESI | N23E30 | |
| 1999/02/12 | 16 | 220 | EAI | N23E16 | |
| 1999/02/13 | 27 | 170 | EAO | N23E04 | |
| 1999/02/14 | 28 | 60 | ESO | N23W09 | |
| 1999/02/15 | 14 | 30 | CSO | N23W22 | |
| 1999/02/16 | 3 | 30 | BXO | N22W37 | |
| 1999/02/17 | 4 | 30 | BXO | N22W49 |
| C | M |
|---|---|
| 8 | 1 |
The top 9 solar flares from sunspot region 8456
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.35 | 1999/02/13 | 16:07 | 16:11 | 16:22 | |
| 2 | C8.24 | 1999/02/12 | 15:20 | 15:27 | 15:48 | |
| 3 | C6.5 | 1999/02/13 | 03:31 | 03:39 | 03:42 | |
| 4 | C3.57 | 1999/02/12 | 16:56 | 17:03 | 17:10 | |
| 5 | C3.53 | 1999/02/13 | 09:04 | 09:07 | 09:09 | |
| 6 | C2.54 | 1999/02/14 | 06:50 | 06:55 | 06:57 | |
| 7 | C2.31 | 1999/02/08 | 16:09 | 16:16 | 16:21 | |
| 8 | C2.3 | 1999/02/08 | 19:28 | 19:49 | 20:00 | |
| 9 | C2.03 | 1999/02/11 | 06:04 | 06:15 | 06:26 |
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 128 +36.2 |
| Last 30 days | 110.1 +18.9 |