Sunspot region AR11398
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/01/14 | 4 | 15 | DAO | N13W08 | |
| 2012/01/15 | 13 | 50 | DAO | N14W22 | |
| 2012/01/16 | 9 | 50 | DAO | N12W36 | |
| 2012/01/17 | 5 | 50 | CRO | N12W50 | |
| 2012/01/18 | 3 | 10 | BXO | N11W64 |
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
Coronal Holes 42/44 91Incoming & Unnumbered Active Regions 274Identify Shearing with SDO 2AR potential 4420 (not officially named yet) 4Comet 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 | 79.3 -6.7 |
| Last 30 days | 92.4 +29.5 |
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