Sunspot region AR13828
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/09/16 | 1 | 120 | HHX | S13E75 | |
| 2024/09/17 | 1 | 120 | HHX | S13E59 | |
| 2024/09/18 | 1 | 140 | CHO | S13E45 | |
| 2024/09/19 | 11 | 150 | CAI | S13E32 | |
| 2024/09/20 | 16 | 150 | CAI | S12E19 | |
| 2024/09/21 | 16 | 150 | CAI | S12E05 | |
| 2024/09/22 | 16 | 150 | DAI | S12W09 | |
| 2024/09/23 | 20 | 180 | DKO | S12W20 | |
| 2024/09/24 | 5 | 160 | HAX | S11W36 | |
| 2024/09/25 | 8 | 150 | HAX | S11W48 | |
| 2024/09/26 | 5 | 140 | DAO | S11W62 | |
| 2024/09/27 | 2 | 30 | CRO | S12W72 | |
| 2024/09/28 | 1 | 10 | AXX | S12W88 | |
| 2024/09/29 | 1 | 10 | AXX | S12W0* |
2024/09/16
2024/09/17
2024/09/18
2024/09/19
2024/09/20
2024/09/21
2024/09/22
2024/09/23
2024/09/24
2024/09/25
2024/09/26
2024/09/27
2024/09/28
2024/09/29
|
2024/09/16
2024/09/17
2024/09/18
2024/09/19
2024/09/20
2024/09/21
2024/09/22
2024/09/23
2024/09/24
2024/09/25
2024/09/26
2024/09/27
2024/09/28
2024/09/29
|
| C | M |
|---|---|
| 6 | 1 |
The top 7 solar flares from sunspot region 13828
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.3 | 2024/09/25 | 22:57 | 23:12 | 23:23 | |
| 2 | C6.9 | 2024/09/24 | 11:29 | 11:46 | 12:01 | |
| 3 | C4.4 | 2024/09/17 | 06:24 | 06:40 | 06:50 | |
| 4 | C4.1 | 2024/09/18 | 03:33 | 03:44 | 03:54 | |
| 5 | C3.7 | 2024/09/22 | 13:18 | 13:27 | 13:42 | |
| 6 | C3.3 | 2024/09/23 | 17:10 | 17:16 | 17:25 | |
| 7 | C3.1 | 2024/09/17 | 18:52 | 19:09 | 19:21 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
AR 4373 14Space Weather Memes 794HUXt forecast has updated 2Do the high-resolution sunspot counts point to more complex sunspots? 68Feb 8-9 CMEs 31
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/13 | M1.0 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 121.7 +9.1 |
| Last 30 days | 133.6 +37.1 |