Sunspot region AR12303
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/03/18 | 1 | 400 | HKX | N19E65 | |
| 2015/03/19 | 1 | 100 | HAX | N19E51 | |
| 2015/03/20 | 2 | 70 | HAX | N18E39 | |
| 2015/03/21 | 2 | 110 | HSX | N19E25 | |
| 2015/03/22 | 1 | 120 | HSX | N19E11 | |
| 2015/03/23 | 4 | 100 | CSO | N20W02 | |
| 2015/03/24 | 3 | 90 | CSO | N20W15 | |
| 2015/03/25 | 7 | 100 | CAO | N19W30 | |
| 2015/03/26 | 4 | 80 | CAO | N20W42 | |
| 2015/03/27 | 2 | 70 | HSX | N20W54 | |
| 2015/03/28 | 1 | 50 | CAO | N18W66 | |
| 2015/03/29 | 3 | 50 | DAO | N18W78 | |
| 2015/03/30 | 4 | 50 | DAO | N18W92 | |
| 2015/03/31 | 4 | 50 | DAO | N18W0* |
2015/03/18
2015/03/19
2015/03/20
2015/03/21
2015/03/22
2015/03/23
2015/03/24
2015/03/25
2015/03/26
2015/03/27
2015/03/28
2015/03/29
2015/03/30
|
2015/03/18
2015/03/19
2015/03/20
2015/03/21
2015/03/22
2015/03/23
2015/03/24
2015/03/25
2015/03/26
2015/03/27
2015/03/28
2015/03/29
2015/03/30
|
| C |
|---|
| 14 |
The top 10 solar flares from sunspot region 12303
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C6.73 | 2015/03/30 | 01:38 | 01:52 | 02:14 | |
| 2 | C5.92 | 2015/03/30 | 21:38 | 22:05 | 22:16 | |
| 3 | C4.68 | 2015/03/29 | 15:24 | 15:30 | 15:38 | |
| 4 | C4.28 | 2015/03/29 | 06:50 | 06:56 | 07:26 | |
| 5 | C3.87 | 2015/03/29 | 13:18 | 13:23 | 13:31 | |
| 6 | C3.49 | 2015/03/30 | 12:46 | 12:55 | 13:02 | |
| 7 | C3.43 | 2015/03/28 | 16:03 | 16:07 | 16:14 | |
| 8 | C3.37 | 2015/03/29 | 10:37 | 10:42 | 10:44 | |
| 9 | C2.59 | 2015/03/28 | 20:44 | 20:51 | 20:54 | |
| 10 | C2.54 | 2015/03/29 | 14:13 | 14:19 | 14:23 |
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Space weather facts
| Last X-flare | 2026/06/03 | X1.0 |
| Last M-flare | 2026/06/21 | M6.9 |
| Last geomagnetic storm | 2026/06/25 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| May 2026 | 101.4 +22.1 |
| June 2026 | 101.2 -0.2 |
| Last 30 days | 103.7 +4.4 |
