Sunspot region AR11850
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/09/20 | 1 | 10 | AXX | N09E75 | |
| 2013/09/21 | 4 | 90 | DAO | N08E64 | |
| 2013/09/22 | 6 | 90 | DSO | N08E52 | |
| 2013/09/23 | 5 | 50 | DAO | N07E38 | |
| 2013/09/24 | 4 | 40 | CSO | N08E24 | |
| 2013/09/25 | 10 | 50 | CSO | N08E10 | |
| 2013/09/26 | 14 | 70 | DAO | N08W03 | |
| 2013/09/27 | 16 | 180 | DAO | N10W18 | |
| 2013/09/28 | 10 | 140 | DAO | N09W30 | |
| 2013/09/29 | 7 | 100 | DSO | N10W46 | |
| 2013/09/30 | 5 | 60 | DSO | N10W60 | |
| 2013/10/01 | 3 | 50 | CSO | N10W73 | |
| 2013/10/02 | 1 | 30 | HSX | N08W85 | |
| 2013/10/03 | 1 | 30 | HSX | N08W99 |
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
2013/10/02
2013/10/03
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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
2013/10/02
2013/10/03
|
| B | C |
|---|---|
| 11 | 13 |
The top 10 solar flares from sunspot region 11850
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.48 | 2013/09/20 | 11:39 | 11:53 | 12:03 | |
| 2 | C3.36 | 2013/09/20 | 12:46 | 12:51 | 13:00 | |
| 3 | C3.08 | 2013/09/20 | 09:56 | 10:02 | 10:08 | |
| 4 | C2.56 | 2013/09/19 | 07:58 | 08:17 | 08:52 | |
| 5 | C2.38 | 2013/09/29 | 05:11 | 05:25 | 05:42 | |
| 6 | C1.83 | 2013/09/20 | 16:51 | 16:57 | 17:08 | |
| 7 | C1.42 | 2013/09/21 | 01:39 | 01:45 | 01:52 | |
| 8 | C1.37 | 2013/09/24 | 18:53 | 19:06 | 19:19 | |
| 9 | C1.32 | 2013/09/20 | 04:11 | 04:19 | 04:38 | |
| 10 | C1.18 | 2013/09/19 | 11:54 | 12:00 | 12:12 |
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/02 | M3.5 |
| 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 | |
|---|---|
| February 2026 | 78.2 -34.3 |
| April 2026 | 141 +62.8 |
| Last 30 days | 94.6 +27 |
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