Sunspot region AR11857
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/10/03 | 1 | 70 | HAX | S06E66 | |
| 2013/10/04 | 1 | 100 | HSX | S08E54 | |
| 2013/10/05 | 4 | 100 | CAO | S07E41 | |
| 2013/10/06 | 1 | 110 | HSX | S08E28 | |
| 2013/10/07 | 1 | 110 | HSX | S08E14 | |
| 2013/10/08 | 1 | 80 | HSX | S07E01 | |
| 2013/10/09 | 1 | 90 | HSX | S08W11 | |
| 2013/10/10 | 1 | 110 | HSX | S07W24 | |
| 2013/10/11 | 1 | 100 | HSX | S08W37 | |
| 2013/10/12 | 1 | 100 | HSX | S08W51 | |
| 2013/10/13 | 1 | 80 | HSX | S08W65 | |
| 2013/10/14 | 1 | 70 | HSX | S08W78 | |
| 2013/10/15 | 1 | 30 | HSX | S07W90 | |
| 2013/10/16 | 1 | 30 | HSX | S07W0* |
2013/10/03
2013/10/04
2013/10/05
2013/10/06
2013/10/07
2013/10/08
2013/10/09
2013/10/10
2013/10/11
2013/10/12
2013/10/13
2013/10/14
2013/10/15
2013/10/16
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2013/10/03
2013/10/04
2013/10/05
2013/10/06
2013/10/07
2013/10/08
2013/10/09
2013/10/10
2013/10/11
2013/10/12
2013/10/13
2013/10/14
2013/10/15
2013/10/16
|
| B | C |
|---|---|
| 4 | 2 |
The top 6 solar flares from sunspot region 11857
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.57 | 2013/10/03 | 19:44 | 20:23 | 20:49 | |
| 2 | C1.19 | 2013/10/06 | 00:16 | 00:51 | 01:03 | |
| 3 | B9.78 | 2013/10/09 | 20:20 | 20:27 | 20:32 | |
| 4 | B8.16 | 2013/10/02 | 10:46 | 10:52 | 11:01 | |
| 5 | B7.33 | 2013/10/05 | 04:34 | 04:41 | 04:48 | |
| 6 | B6.49 | 2013/10/04 | 20:59 | 21:10 | 21:16 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Latest forum messages
Late 2026/04/01 Filament CME 84AR4409 128Space Weather Memes 814Comet C/2026 A1 (MAPS) for the southern hemisphere 38AR4403 39
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M7.6 |
| Last geomagnetic storm | 2026/04/02 | Kp6- (G2) |
| 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 | 141 +55.1 |
| Last 30 days | 95.4 +31.2 |
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