Sunspot region AR12317
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/04/02 | 6 | 30 | DRO | N10W32 | |
| 2015/04/03 | 10 | 60 | DSI | N09W45 | |
| 2015/04/04 | 6 | 50 | DAI | N11W59 | |
| 2015/04/05 | 7 | 40 | CAO | N11W73 | |
| 2015/04/06 | 1 | 30 | HSX | N11W85 | |
| 2015/04/07 | 2 | 30 | CAO | N09W90 | |
| 2015/04/08 | 2 | 30 | CAO | N09W0* |
2015/04/02
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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
Latest forum messages
Incoming & Unnumbered Active Regions 273AR potential 4420 (not officially named yet) 4Coronal Holes 42/44 90Identify Shearing with SDO 1Comet C/2026 A1 (MAPS) for the southern hemisphere 70
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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 | 2026/04/20 | Kp5 (G1) |
| 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 | 81 -4.9 |
| Last 30 days | 94 +31.1 |
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