Sunspot region AR12577
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2016/08/12 | 4 | 20 | CRO | N03E33 | |
| 2016/08/13 | 10 | 130 | DSO | N03E19 | |
| 2016/08/14 | 8 | 90 | DAO | N04E07 | |
| 2016/08/15 | 7 | 80 | DAO | N04W07 | |
| 2016/08/16 | 4 | 50 | DAO | N04W21 | |
| 2016/08/17 | 3 | 10 | BXO | N04W34 | |
| 2016/08/18 | 1 | 10 | AXX | N04W50 |
2016/08/12
2016/08/13
2016/08/14
2016/08/15
2016/08/16
2016/08/17
2016/08/18
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2016/08/12
2016/08/13
2016/08/14
2016/08/15
2016/08/16
2016/08/17
2016/08/18
|
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
AR4420 216AR4425 62SWPC Display bug or other issues 33CMEs from AR4420 (April 23th - 24th) 55Incoming & Unnumbered Active Regions 294
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/04/28 | M1.1 |
| 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 | 88.4 +2.5 |
| Last 30 days | 90 +1.5 |
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