Sunspot region AR12738
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2019/04/08 | 1 | 300 | HSX | N06E72 | |
| 2019/04/09 | 2 | 250 | HHX | N06E60 | |
| 2019/04/10 | 2 | 300 | CHO | N06E46 | |
| 2019/04/11 | 3 | 350 | CHO | N06E33 | |
| 2019/04/12 | 3 | 260 | HHX | N06E20 | |
| 2019/04/13 | 4 | 300 | CHO | N06E07 | |
| 2019/04/14 | 4 | 300 | CHO | N06W06 | |
| 2019/04/15 | 1 | 250 | HHX | N06W19 | |
| 2019/04/16 | 1 | 300 | HHX | N06W34 | |
| 2019/04/17 | 1 | 330 | HHX | N06W48 | |
| 2019/04/18 | 1 | 400 | HHX | N06W62 | |
| 2019/04/19 | 1 | 260 | HHX | N06W76 | |
| 2019/04/20 | 1 | 250 | HHX | N06W90 | |
| 2019/04/21 | 1 | 250 | HHX | N06W0* |
2019/04/08
2019/04/09
2019/04/10
2019/04/11
2019/04/12
2019/04/13
2019/04/14
2019/04/15
2019/04/16
2019/04/17
2019/04/18
2019/04/19
2019/04/20
|
2019/04/08
2019/04/09
2019/04/10
2019/04/11
2019/04/12
2019/04/13
2019/04/14
2019/04/15
2019/04/16
2019/04/17
2019/04/18
2019/04/19
2019/04/20
|
| A | B | C |
|---|---|---|
| 1 | 27 | 3 |
The top 10 solar flares from sunspot region 12738
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.13 | 2019/04/07 | 10:47 | 11:00 | 11:26 | |
| 2 | C1.07 | 2019/04/20 | 00:39 | 00:50 | 01:03 | |
| 3 | C1.06 | 2019/04/12 | 11:29 | 11:37 | 11:47 | |
| 4 | B8.94 | 2019/04/20 | 09:23 | 09:28 | 09:32 | |
| 5 | B8.38 | 2019/04/08 | 13:55 | 14:00 | 14:08 | |
| 6 | B7.57 | 2019/04/07 | 08:31 | 08:40 | 08:53 | |
| 7 | B5.47 | 2019/04/12 | 09:20 | 09:27 | 09:32 | |
| 8 | B5.05 | 2019/04/09 | 05:17 | 05:25 | 05:33 | |
| 9 | B5.03 | 2019/04/15 | 19:24 | 19:31 | 19:34 | |
| 10 | B4.98 | 2019/04/08 | 16:01 | 16:13 | 16:17 |
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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 118.7 -5.3 |
| Last 30 days | 120.4 +5.6 |