Sunspot region AR11877
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2013/10/19 | 1 | 120 | HSX | S11E75 | |
| 2013/10/20 | 4 | 260 | CKO | S12E61 | |
| 2013/10/21 | 8 | 390 | FHO | S13E55 | |
| 2013/10/22 | 10 | 400 | CHO | S13E38 | |
| 2013/10/23 | 15 | 390 | DKI | S13E23 | |
| 2013/10/24 | 17 | 320 | DKI | S12E09 | |
| 2013/10/25 | 19 | 440 | DKC | S12W03 | |
| 2013/10/26 | 16 | 390 | DHI | S12W16 | |
| 2013/10/27 | 15 | 320 | CHI | S12W30 | |
| 2013/10/28 | 15 | 320 | CHI | S12W30 | |
| 2013/10/29 | 13 | 230 | DAI | S12W56 | |
| 2013/10/30 | 9 | 310 | DKO | S12W71 | |
| 2013/10/31 | 2 | 160 | DAO | S13W81 |
2013/10/19
2013/10/20
2013/10/21
2013/10/22
2013/10/23
2013/10/24
2013/10/25
2013/10/26
2013/10/27
2013/10/28
2013/10/29
2013/10/30
2013/10/31
|
2013/10/19
2013/10/20
2013/10/21
2013/10/22
2013/10/23
2013/10/24
2013/10/25
2013/10/26
2013/10/27
2013/10/28
2013/10/29
2013/10/30
2013/10/31
|
| C | M | X |
|---|---|---|
| 12 | 4 | 1 |
The top 10 solar flares from sunspot region 11877
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1.34 | 2013/10/24 | 00:21 | 00:30 | 00:35 | |
| 2 | M2.81 | 2013/10/31 | 13:36 | 13:51 | 14:02 | |
| 3 | M2.02 | 2013/10/28 | 11:32 | 11:53 | 12:39 | |
| 4 | M1.26 | 2013/10/26 | 17:04 | 17:15 | 17:26 | |
| 5 | M1.11 | 2013/10/26 | 18:50 | 19:20 | 19:23 | |
| 6 | C8.21 | 2013/10/24 | 22:05 | 22:10 | 22:15 | |
| 7 | C7.41 | 2013/10/26 | 08:37 | 08:46 | 08:49 | |
| 8 | C6.38 | 2013/10/26 | 08:52 | 08:55 | 08:57 | |
| 9 | C5.71 | 2013/10/27 | 13:39 | 13:47 | 14:06 | |
| 10 | C4.01 | 2013/10/26 | 13:19 | 13:21 | 13:24 |
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Space weather facts
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| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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| December 2025 | 144.3 +52.5 |
| Last 30 days | 107.5 +8.8 |