Sunspot region AR12388
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/07/17 | 4 | 20 | CAO | N08W53 | |
| 2015/07/19 | 2 | 10 | BXO | N14W81 |
2015/07/17
2015/07/19
|
2015/07/17
2015/07/19
|
| B | C |
|---|---|
| 1 | 1 |
The top 2 solar flares from sunspot region 12388
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.57 | 2015/07/18 | 14:28 | 14:42 | 14:52 | |
| 2 | B8.84 | 2015/07/20 | 04:32 | 04:52 | 05:05 |
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 87Comet C/2026 A1 (MAPS) for the southern hemisphere 70Current Farside Activity 458AR4419 66SWPC Display bug or other issues 9
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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 | 2026/04/19 | Kp6- (G2) |
| 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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