Sunspot region AR8939
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2000/03/31 | 1 | 30 | HSX | N22E72 | |
| 2000/04/01 | 3 | 30 | CRO | N22E55 | |
| 2000/04/02 | 8 | 130 | DAO | N23E43 | |
| 2000/04/03 | 9 | 120 | DAO | N23E29 | |
| 2000/04/04 | 11 | 80 | DAO | N24E14 | |
| 2000/04/05 | 7 | 50 | CSO | N23E01 | |
| 2000/04/06 | 8 | 60 | CSO | N23W12 | |
| 2000/04/07 | 6 | 80 | CAO | N22W26 | |
| 2000/04/08 | 5 | 60 | CSO | N23W39 | |
| 2000/04/09 | 1 | 70 | HSX | N22W53 | |
| 2000/04/10 | 1 | 60 | HSX | N23W66 | |
| 2000/04/11 | 1 | 40 | HSX | N23W82 |
| C | M |
|---|---|
| 5 | 5 |
The top 10 solar flares from sunspot region 8939
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M5.89 | 2000/03/31 | 10:13 | 10:19 | 10:24 | |
| 2 | M2.71 | 2000/03/31 | 13:12 | 13:18 | 13:23 | |
| 3 | M1.8 | 2000/03/31 | 16:50 | 16:55 | 17:01 | |
| 4 | M1.51 | 2000/03/31 | 07:50 | 07:55 | 07:58 | |
| 5 | M1.2 | 2000/04/01 | 17:43 | 17:59 | 18:13 | |
| 6 | C8.81 | 2000/04/01 | 11:37 | 11:51 | 12:04 | |
| 7 | C3.96 | 2000/03/31 | 10:01 | 10:04 | 10:09 | |
| 8 | C3.46 | 2000/04/02 | 08:37 | 08:42 | 08:47 | |
| 9 | C2.07 | 2000/04/09 | 07:40 | 07:44 | 07:48 | |
| 10 | C1.96 | 2000/04/11 | 01:38 | 01:43 | 01:49 |
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |