Sunspot region AR13503
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/11/25 | 2 | 20 | CRO | N21E58 | |
| 2023/11/26 | 5 | 20 | CRO | N20E45 | |
| 2023/11/27 | 1 | 10 | HRX | N21E31 | |
| 2023/11/28 | 1 | 10 | HRX | N15E17 | |
| 2023/11/29 | 1 | 10 | HRX | N15E04 | |
| 2023/11/30 | 1 | 0 | AXX | N21W06 | |
| 2023/12/01 | 2 | 10 | AXX | N22W20 | |
| 2023/12/02 | 2 | 10 | AXX | N19W34 |
2023/11/25
2023/11/26
2023/11/27
2023/11/28
2023/11/29
2023/11/30
2023/12/01
2023/12/02
|
2023/11/25
2023/11/26
2023/11/27
2023/11/28
2023/11/29
2023/11/30
2023/12/01
2023/12/02
|
| C |
|---|
| 3 |
The top 3 solar flares from sunspot region 13503
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.5 | 2023/11/27 | 23:13 | 23:40 | 00:26 | |
| 2 | C4.4 | 2023/11/25 | 13:56 | 14:39 | 14:51 | |
| 3 | C2.6 | 2023/12/02 | 21:12 | 21:20 | 21:24 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/03/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 78.5 +0.3 |
| Last 30 days | 54.2 -74.7 |