Sunspot region AR9278
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2000/12/18 | 2 | 40 | HRX | N09E67 | |
| 2000/12/19 | 8 | 90 | DAO | N09E51 | |
| 2000/12/20 | 17 | 90 | DAI | N09E37 | |
| 2000/12/21 | 22 | 90 | DAI | N09E23 | |
| 2000/12/22 | 15 | 80 | EAO | N09E09 | |
| 2000/12/23 | 12 | 70 | DAO | N09W05 | |
| 2000/12/24 | 8 | 50 | DAO | N09W19 | |
| 2000/12/25 | 5 | 40 | CSO | N10W31 |
| C | M |
|---|---|
| 6 | 1 |
The top 7 solar flares from sunspot region 9278
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.37 | 2000/12/19 | 10:03 | 10:24 | 10:28 | |
| 2 | C8.16 | 2000/12/18 | 02:37 | 02:46 | 02:52 | |
| 3 | C5.9 | 2000/12/19 | 18:56 | 19:00 | 19:03 | |
| 4 | C4.84 | 2000/12/20 | 05:10 | 05:15 | 05:20 | |
| 5 | C3.46 | 2000/12/18 | 22:01 | 22:10 | 22:12 | |
| 6 | C3 | 2000/12/19 | 21:35 | 21:40 | 21:49 | |
| 7 | C2.67 | 2000/12/20 | 02:06 | 02:10 | 02:15 |
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M4.4 |
| Last geomagnetic storm | 2025/12/10 | Kp6+ (G2) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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| December 2025 | 155.3 +63.5 |
| Last 30 days | 109 +10.8 |