Sunspot region AR12875
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/09/22 | 3 | 10 | BXO | S32W36 | |
| 2021/09/23 | 3 | 10 | BXO | S31W48 | |
| 2021/09/24 | 2 | 10 | BXO | S33W60 | |
| 2021/09/25 | 2 | 10 | BXO | S33W73 |
2021/09/22
2021/09/23
2021/09/24
2021/09/25
|
2021/09/22
2021/09/23
2021/09/24
2021/09/25
|
| B |
|---|
| 2 |
The top 2 solar flares from sunspot region 12875
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B2.4 | 2021/09/24 | 20:19 | 20:23 | 20:27 | |
| 2 | B2.3 | 2021/09/23 | 02:04 | 02:14 | 02:20 |
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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