Sunspot region AR11616
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2012/11/15 | 2 | 70 | DRO | N21E61 | |
| 2012/11/16 | 4 | 100 | DSO | N21E50 | |
| 2012/11/17 | 13 | 110 | DSO | N19E37 | |
| 2012/11/18 | 12 | 60 | CSO | N19E23 | |
| 2012/11/19 | 10 | 30 | CRO | N19E11 | |
| 2012/11/20 | 9 | 100 | CAO | N19W03 | |
| 2012/11/21 | 3 | 10 | BXO | N19W14 | |
| 2012/11/22 | 2 | 10 | DRO | N19W28 | |
| 2012/11/23 | 4 | 30 | DRO | N19W42 | |
| 2012/11/24 | 4 | 30 | DAO | N19W55 | |
| 2012/11/25 | 5 | 20 | DAO | N19W69 |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Latest forum messages
AR4392 (including CMEs) 96Incoming & Unnumbered Active Regions 224Current Farside Activity 418AR4397 1Comet C/2026 A1 (MAPS) for the southern hemisphere 18
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/14 | Kp6 (G2) |
| 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 | 82.4 +4.2 |
| Last 30 days | 61.1 -58.1 |