Sunspot region AR12305
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/03/22 | 5 | 120 | DAO | S08E67 | |
| 2015/03/23 | 10 | 220 | EAC | S08E58 | |
| 2015/03/24 | 15 | 310 | EKC | S08E44 | |
| 2015/03/25 | 15 | 340 | EKC | S08E32 | |
| 2015/03/26 | 26 | 400 | EKC | S08E19 | |
| 2015/03/27 | 16 | 390 | CKI | S08E05 | |
| 2015/03/28 | 17 | 410 | EKI | S09W10 | |
| 2015/03/29 | 22 | 410 | EKI | S08W19 | |
| 2015/03/30 | 7 | 340 | DHO | S10W36 | |
| 2015/03/31 | 7 | 440 | DHO | S10W51 | |
| 2015/04/01 | 6 | 310 | CHO | S11W64 | |
| 2015/04/02 | 2 | 470 | CHO | S10W80 | |
| 2015/04/03 | 1 | 220 | HSX | S09W91 | |
| 2015/04/04 | 1 | 220 | HSX | S09W0* |
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
2015/03/31
2015/04/01
2015/04/02
2015/04/03
|
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
2015/03/31
2015/04/01
2015/04/02
2015/04/03
|
| B | C | M |
|---|---|---|
| 1 | 16 | 1 |
The top 10 solar flares from sunspot region 12305
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.25 | 2015/03/25 | 04:36 | 04:46 | 05:11 | |
| 2 | C4.79 | 2015/03/25 | 16:30 | 16:45 | 17:01 | |
| 3 | C4.69 | 2015/03/25 | 08:23 | 08:29 | 08:32 | |
| 4 | C4.06 | 2015/03/26 | 00:06 | 00:21 | 00:38 | |
| 5 | C3.75 | 2015/03/25 | 01:34 | 01:44 | 01:53 | |
| 6 | C3.14 | 2015/03/28 | 04:48 | 05:26 | 05:48 | |
| 7 | C2.91 | 2015/03/28 | 07:57 | 08:12 | 08:29 | |
| 8 | C2.54 | 2015/03/25 | 07:20 | 07:27 | 07:30 | |
| 9 | C2.32 | 2015/03/29 | 18:45 | 19:42 | 20:21 | |
| 10 | C2.14 | 2015/03/30 | 15:34 | 15:47 | 16:03 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/04/26 | M6.0 |
| 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 | 82.9 -3 |
| Last 30 days | 89.3 +6.7 |
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