Sunspot region AR12389
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/07/25 | 6 | 30 | CAI | S11E62 | |
| 2015/07/26 | 11 | 80 | DAI | S11E48 | |
| 2015/07/27 | 8 | 60 | CAI | S11E35 | |
| 2015/07/28 | 7 | 30 | CRO | S12E23 | |
| 2015/07/29 | 8 | 10 | BXO | S12E09 | |
| 2015/07/30 | 6 | 10 | BXO | S11W07 | |
| 2015/07/31 | 1 | 10 | AXX | S12W20 |
2015/07/25
2015/07/26
2015/07/27
2015/07/28
2015/07/29
2015/07/30
2015/07/31
|
2015/07/25
2015/07/26
2015/07/27
2015/07/28
2015/07/29
2015/07/30
2015/07/31
|
| B | C |
|---|---|
| 8 | 4 |
The top 10 solar flares from sunspot region 12389
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.8 | 2015/07/24 | 17:49 | 17:55 | 18:00 | |
| 2 | C2.9 | 2015/07/24 | 14:35 | 14:44 | 14:49 | |
| 3 | C1.66 | 2015/07/26 | 12:28 | 12:34 | 12:36 | |
| 4 | C1.44 | 2015/07/24 | 03:07 | 03:12 | 03:15 | |
| 5 | B9.54 | 2015/07/24 | 23:33 | 23:39 | 23:54 | |
| 6 | B8.43 | 2015/07/26 | 11:34 | 11:37 | 11:39 | |
| 7 | B8.01 | 2015/07/26 | 10:20 | 10:24 | 10:26 | |
| 8 | B7.08 | 2015/07/24 | 08:05 | 08:23 | 08:47 | |
| 9 | B6.67 | 2015/07/24 | 05:02 | 05:17 | 05:38 | |
| 10 | B6.23 | 2015/07/24 | 20:45 | 20:49 | 20:57 |
Latest news
Monday, 30 March 2026
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| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/04/27 | M1.0 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| 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 | 85 -0.9 |
| Last 30 days | 90.9 +8.3 |
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