Sunspot region AR12403
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/08/19 | 3 | 60 | CSO | S12E64 | |
| 2015/08/20 | 8 | 90 | DAC | S12E50 | |
| 2015/08/21 | 29 | 330 | DKC | S13E37 | |
| 2015/08/22 | 43 | 350 | DKC | S14E23 | |
| 2015/08/23 | 49 | 400 | EKC | S14E09 | |
| 2015/08/24 | 66 | 760 | EKC | S15W04 | |
| 2015/08/25 | 47 | 930 | FKC | S15W18 | |
| 2015/08/26 | 40 | 1190 | FKI | S15W31 | |
| 2015/08/27 | 35 | 1100 | FKC | S16W44 | |
| 2015/08/28 | 25 | 890 | FKC | S15W57 | |
| 2015/08/29 | 27 | 840 | FKC | S15W69 | |
| 2015/08/30 | 16 | 520 | FKC | S15W82 | |
| 2015/08/31 | 2 | 80 | DAO | S15W89 | |
| 2015/09/01 | 2 | 80 | DAO | S15W99 |
2015/08/19
2015/08/20
2015/08/21
2015/08/22
2015/08/23
2015/08/24
2015/08/25
2015/08/26
2015/08/27
2015/08/28
2015/08/29
2015/08/30
2015/08/31
|
2015/08/19
2015/08/20
2015/08/21
2015/08/22
2015/08/23
2015/08/24
2015/08/25
2015/08/26
2015/08/27
2015/08/28
2015/08/29
2015/08/30
2015/08/31
|
| B | C | M |
|---|---|---|
| 15 | 99 | 13 |
The top 10 solar flares from sunspot region 12403
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M8.05 | 2015/08/24 | 07:26 | 07:33 | 07:35 | |
| 2 | M5.04 | 2015/08/22 | 21:19 | 21:24 | 21:28 | |
| 3 | M4.17 | 2015/08/27 | 04:48 | 05:44 | 06:03 | |
| 4 | M3.17 | 2015/08/28 | 13:04 | 13:16 | 13:23 | |
| 5 | M3.03 | 2015/08/28 | 18:56 | 19:03 | 19:06 | |
| 6 | M2.05 | 2015/08/30 | 02:01 | 03:30 | 04:23 | |
| 7 | M2.05 | 2015/08/21 | 09:34 | 09:48 | 10:07 | |
| 8 | M1.77 | 2015/08/22 | 06:39 | 06:49 | 06:59 | |
| 9 | M1.76 | 2015/08/21 | 01:56 | 02:18 | 02:37 | |
| 10 | M1.64 | 2015/08/21 | 19:10 | 20:34 | 20:50 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
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X1.9 solar flare with earth-directed CME
Latest forum messages
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/11 | M1.3 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 132.1 +19.5 |
| Last 30 days | 130.2 +30.2 |