Sunspot region AR12874
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/09/22 | 2 | 10 | HRX | S25W28 | |
| 2021/09/23 | 1 | 10 | AXX | S23W40 |
2021/09/22
2021/09/23
|
2021/09/22
2021/09/23
|
Latest news
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
Latest forum messages
AR 4055 8Space Weather Memes 691Incoming & Unnumbered Active Regions 1679Ask your obscure/"stupid" space weather questions. 348Sunspot Latitudes at or near Solar Maximum 86
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/08 | M1.5 |
| Last geomagnetic storm | 2025/04/06 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 144.7 +10.5 |
| Last 30 days | 138.4 +2.2 |