Sunspot region AR13491
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/11/19 | 1 | 30 | HSX | N11E68 | |
| 2023/11/20 | 1 | 40 | HSX | N11E54 | |
| 2023/11/21 | 1 | 40 | HSX | N13E41 | |
| 2023/11/22 | 1 | 40 | HSX | N13E27 | |
| 2023/11/23 | 2 | 60 | HSX | N11E18 | |
| 2023/11/24 | 2 | 60 | HAX | N10E04 | |
| 2023/11/25 | 2 | 30 | HRX | N10W10 | |
| 2023/11/26 | 1 | 10 | AXX | N11W23 |
2023/11/19
2023/11/20
2023/11/21
2023/11/22
2023/11/23
2023/11/24
2023/11/25
2023/11/26
|
2023/11/19
2023/11/20
2023/11/21
2023/11/22
2023/11/23
2023/11/24
2023/11/25
2023/11/26
|
| C |
|---|
| 3 |
The top 3 solar flares from sunspot region 13491
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C6.3 | 2023/11/23 | 23:53 | 00:03 | 00:14 | |
| 2 | C2.9 | 2023/11/20 | 03:08 | 03:11 | 03:18 | |
| 3 | C2.1 | 2023/11/19 | 23:13 | 23:17 | 23:34 |
Latest news
Wednesday, 14 May 2025
Another X-flare! Potent sunspot region 4087!
Tuesday, 13 May 2025
X1.1 solar flare from sunspot region 4086
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Latest forum messages
AR4087 156Solar Transit, Artifacts, or Radiation 15Unexplained proton activity 79AR 14079 171AR 5395 11
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Space weather facts
| Last X-flare | 2025/05/14 | X2.7 |
| Last M-flare | 2025/05/15 | M2.1 |
| Last geomagnetic storm | 2025/05/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2025 | 140.6 +6.4 |
| May 2025 | 73.4 -67.2 |
| Last 30 days | 100.7 -22.3 |