Sunspot region AR12401
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2015/08/14 | 5 | 10 | BXO | S11E50 | |
| 2015/08/15 | 8 | 70 | CAI | S12E37 | |
| 2015/08/16 | 8 | 30 | CRI | S11E22 | |
| 2015/08/17 | 10 | 70 | DAI | S11E10 | |
| 2015/08/18 | 10 | 30 | CRO | S10W03 | |
| 2015/08/19 | 10 | 40 | CSO | S10W17 | |
| 2015/08/20 | 8 | 60 | DAI | S10W30 | |
| 2015/08/21 | 6 | 60 | DAO | S11W42 | |
| 2015/08/22 | 2 | 10 | HRX | S11W58 |
2015/08/14
2015/08/15
2015/08/16
2015/08/17
2015/08/18
2015/08/19
2015/08/20
2015/08/21
2015/08/22
|
2015/08/14
2015/08/15
2015/08/16
2015/08/17
2015/08/18
2015/08/19
2015/08/20
2015/08/21
2015/08/22
|
| B | C |
|---|---|
| 8 | 5 |
The top 10 solar flares from sunspot region 12401
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.81 | 2015/08/14 | 01:55 | 02:00 | 02:04 | |
| 2 | C2.31 | 2015/08/14 | 03:00 | 03:04 | 03:08 | |
| 3 | C2.25 | 2015/08/15 | 12:02 | 12:36 | 12:56 | |
| 4 | C1.58 | 2015/08/14 | 00:26 | 00:33 | 00:37 | |
| 5 | C1.54 | 2015/08/14 | 00:51 | 01:04 | 01:10 | |
| 6 | B8.45 | 2015/08/19 | 13:10 | 13:27 | 13:32 | |
| 7 | B7.63 | 2015/08/15 | 04:25 | 04:30 | 04:35 | |
| 8 | B7.19 | 2015/08/14 | 07:32 | 07:35 | 07:37 | |
| 9 | B5.91 | 2015/08/15 | 05:07 | 05:10 | 05:12 | |
| 10 | B5.83 | 2015/08/13 | 17:51 | 18:03 | 18:10 |
Latest news
Sunday, 1 February 2026
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Latest forum messages
AR4366 1001Do the high-resolution sunspot counts point to more complex sunspots? 57Current Farside Activity 371Incoming & Unnumbered Active Regions 154Feb 8-9 CMEs 21
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| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/09 | M2.8 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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| Last 30 days | 127.2 +23.7 |