Sunspot region AR11846
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/09/18 | 1 | 50 | HAX | S16E77 | |
| 2013/09/19 | 1 | 160 | HSX | S17E62 | |
| 2013/09/20 | 2 | 180 | CSO | S16E49 | |
| 2013/09/21 | 4 | 160 | CSO | S17E36 | |
| 2013/09/22 | 5 | 210 | CSO | S17E25 | |
| 2013/09/23 | 1 | 140 | HSX | S18E10 | |
| 2013/09/24 | 1 | 150 | HSX | S18W04 | |
| 2013/09/25 | 1 | 150 | HSX | S18W18 | |
| 2013/09/26 | 1 | 160 | HSX | S17W31 | |
| 2013/09/27 | 1 | 130 | HSX | S18W44 | |
| 2013/09/28 | 1 | 120 | HSX | S17W56 | |
| 2013/09/29 | 1 | 150 | HSX | S17W70 | |
| 2013/09/30 | 1 | 100 | HSX | S17W84 | |
| 2013/10/01 | 1 | 100 | HSX | S17W98 |
2013/09/18
2013/09/19
2013/09/20
2013/09/21
2013/09/22
2013/09/23
2013/09/24
2013/09/25
2013/09/26
2013/09/27
2013/09/28
2013/09/29
2013/09/30
2013/10/01
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2013/09/18
2013/09/19
2013/09/20
2013/09/21
2013/09/22
2013/09/23
2013/09/24
2013/09/25
2013/09/26
2013/09/27
2013/09/28
2013/09/29
2013/09/30
2013/10/01
|
| B | C |
|---|---|
| 2 | 2 |
The top 4 solar flares from sunspot region 11846
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.61 | 2013/09/18 | 02:53 | 03:15 | 03:26 | |
| 2 | C1.57 | 2013/09/24 | 22:50 | 22:56 | 23:03 | |
| 3 | B6.81 | 2013/09/18 | 14:32 | 14:43 | 14:48 | |
| 4 | B6.32 | 2013/09/23 | 21:44 | 21:54 | 22:07 |
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
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Space weather facts
| Last X-flare | 2026/03/30 | X1.4 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 86.6 +8.4 |
| Last 30 days | 86.6 +11.2 |
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