Sunspot region AR13305
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/05/12 | 3 | 30 | CAO | N10E38 | |
| 2023/05/13 | 8 | 30 | CRO | N10E24 | |
| 2023/05/14 | 14 | 70 | DAI | N10E11 | |
| 2023/05/15 | 24 | 110 | DAI | N10W03 | |
| 2023/05/16 | 18 | 100 | DAI | N09W15 | |
| 2023/05/17 | 19 | 110 | DAI | N09W30 | |
| 2023/05/18 | 12 | 100 | DSI | N12W43 | |
| 2023/05/19 | 18 | 240 | DAI | N12W56 | |
| 2023/05/20 | 15 | 250 | DKI | N09W68 | |
| 2023/05/21 | 7 | 210 | DAI | N12W82 | |
| 2023/05/22 | 6 | 200 | DAI | N12W97 |
2023/05/12
2023/05/13
2023/05/14
2023/05/15
2023/05/16
2023/05/17
2023/05/18
2023/05/19
2023/05/20
2023/05/21
2023/05/22
|
2023/05/12
2023/05/13
2023/05/14
2023/05/15
2023/05/16
2023/05/17
2023/05/18
2023/05/19
2023/05/20
2023/05/21
2023/05/22
|
| C |
|---|
| 23 |
The top 10 solar flares from sunspot region 13305
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C9.9 | 2023/05/21 | 21:36 | 21:58 | 22:13 | |
| 2 | C6.4 | 2023/05/20 | 20:19 | 20:28 | 20:34 | |
| 3 | C5.4 | 2023/05/21 | 11:20 | 11:30 | 11:45 | |
| 4 | C5.1 | 2023/05/20 | 03:08 | 03:17 | 03:22 | |
| 5 | C5.1 | 2023/05/20 | 19:57 | 20:17 | 20:19 | |
| 6 | C4.9 | 2023/05/22 | 06:06 | 06:12 | 06:17 | |
| 7 | C4.6 | 2023/05/21 | 15:04 | 15:17 | 15:29 | |
| 8 | C4.5 | 2023/05/21 | 07:40 | 07:59 | 08:12 | |
| 9 | C4.5 | 2023/05/21 | 20:55 | 21:01 | 21:16 | |
| 10 | C4.4 | 2023/05/13 | 20:47 | 20:55 | 21:00 |
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |