Sunspot region AR12331
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/04/22 | 10 | 30 | BXI | S10E10 | |
| 2015/04/23 | 15 | 40 | DAC | S10W04 | |
| 2015/04/24 | 11 | 90 | DAI | S09W19 | |
| 2015/04/25 | 12 | 150 | DAI | S10W33 | |
| 2015/04/26 | 18 | 220 | DAI | S09W47 | |
| 2015/04/27 | 9 | 240 | DAI | S10W59 | |
| 2015/04/28 | 7 | 190 | DAO | S09W73 | |
| 2015/04/29 | 2 | 210 | DAO | S09W87 | |
| 2015/04/30 | 2 | 210 | DAO | S09W87 |
2015/04/22
2015/04/23
2015/04/24
2015/04/25
2015/04/26
2015/04/27
2015/04/28
2015/04/29
2015/04/30
|
2015/04/22
2015/04/23
2015/04/24
2015/04/25
2015/04/26
2015/04/27
2015/04/28
2015/04/29
2015/04/30
|
| C |
|---|
| 6 |
The top 6 solar flares from sunspot region 12331
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.67 | 2015/04/28 | 05:13 | 05:19 | 05:22 | |
| 2 | C2.08 | 2015/04/26 | 20:51 | 20:57 | 21:03 | |
| 3 | C1.91 | 2015/04/24 | 22:52 | 22:59 | 23:04 | |
| 4 | C1.47 | 2015/04/24 | 18:02 | 18:11 | 18:35 | |
| 5 | C1.41 | 2015/04/26 | 11:44 | 11:49 | 11:53 | |
| 6 | C1.17 | 2015/04/26 | 13:47 | 14:12 | 14:21 |
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
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.3 |
| 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 | 133.3 +47.4 |
| Last 30 days | 96.1 +32 |
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