Sunspot region AR13311
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/05/18 | 6 | 110 | DAO | N18E75 | |
| 2023/05/19 | 12 | 330 | EKC | N18E59 | |
| 2023/05/20 | 18 | 410 | EKC | N18E47 | |
| 2023/05/21 | 31 | 420 | EKC | N18E33 | |
| 2023/05/22 | 28 | 310 | EAC | N20E23 | |
| 2023/05/23 | 43 | 250 | FAI | N19E05 | |
| 2023/05/24 | 39 | 470 | EAI | N18W09 | |
| 2023/05/25 | 22 | 340 | EKI | N17W19 | |
| 2023/05/26 | 18 | 320 | EAI | N18W32 | |
| 2023/05/27 | 8 | 180 | EAO | N18W46 | |
| 2023/05/28 | 9 | 200 | EAO | N18W60 | |
| 2023/05/29 | 6 | 100 | CAO | N18W73 | |
| 2023/05/30 | 1 | 50 | HSX | N18W83 | |
| 2023/05/31 | 1 | 50 | HSX | N21W94 |
2023/05/18
2023/05/19
2023/05/20
2023/05/21
2023/05/22
2023/05/23
2023/05/24
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2023/05/26
2023/05/27
2023/05/28
2023/05/29
2023/05/30
2023/05/31
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2023/05/18
2023/05/19
2023/05/20
2023/05/21
2023/05/22
2023/05/23
2023/05/24
2023/05/25
2023/05/26
2023/05/27
2023/05/28
2023/05/29
2023/05/30
2023/05/31
|
| C | M |
|---|---|
| 62 | 25 |
The top 10 solar flares from sunspot region 13311
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M8.96 | 2023/05/20 | 12:25 | 12:35 | 12:40 | |
| 2 | M6.5 | 2023/05/20 | 07:16 | 07:32 | 07:36 | |
| 3 | M5.6 | 2023/05/20 | 14:54 | 15:00 | 15:04 | |
| 4 | M5.3 | 2023/05/19 | 00:41 | 00:48 | 00:54 | |
| 5 | M5.2 | 2023/05/20 | 22:52 | 23:06 | 23:21 | |
| 6 | M4.5 | 2023/05/18 | 20:51 | 21:05 | 21:16 | |
| 7 | M3.8 | 2023/05/18 | 20:12 | 20:23 | 20:51 | |
| 8 | M3.0 | 2023/05/23 | 12:07 | 12:13 | 12:17 | |
| 9 | M2.7 | 2023/05/19 | 20:14 | 20:26 | 20:38 | |
| 10 | M2.6 | 2023/05/21 | 15:49 | 16:04 | 16:18 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 101.7 +15.8 |
| Last 30 days | 97.5 +41.1 |
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