Sunspot region AR12660
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2017/05/23 | 10 | 12 | CRO | S11W15 | |
| 2017/05/24 | 3 | 10 | BXO | S11W26 |
2017/05/23
2017/05/24
|
2017/05/23
2017/05/24
|
| B |
|---|
| 3 |
The top 3 solar flares from sunspot region 12660
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B5.93 | 2017/05/23 | 14:04 | 14:21 | 14:37 | |
| 2 | B5.02 | 2017/05/24 | 13:31 | 13:44 | 13:56 | |
| 3 | B1.81 | 2017/05/22 | 22:01 | 22:05 | 22:09 |
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
AR4419 56Coronal Holes 42/44 22Current Farside Activity 457Incoming & Unnumbered Active Regions 272Comet C/2026 A1 (MAPS) for the southern hemisphere 68
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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 | 2026/04/03 | Kp7- (G3) |
| 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 | 88.1 +2.2 |
| Last 30 days | 93.2 +32.7 |
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