Sunspot region AR13285
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/04/21 | 4 | 140 | DSO | S17E69 | |
| 2023/04/22 | 3 | 180 | DAO | S17E55 | |
| 2023/04/23 | 7 | 190 | DAO | S17E43 | |
| 2023/04/24 | 7 | 220 | DAO | S18E33 | |
| 2023/04/25 | 5 | 220 | CAO | S18E19 | |
| 2023/04/26 | 4 | 120 | CSO | S18E05 | |
| 2023/04/27 | 5 | 240 | CAO | S17W09 | |
| 2023/04/28 | 5 | 220 | CAO | S19W24 | |
| 2023/04/29 | 5 | 170 | CAO | S19W37 | |
| 2023/04/30 | 7 | 140 | CAO | S17W51 | |
| 2023/05/01 | 6 | 120 | CAO | S17W64 | |
| 2023/05/02 | 2 | 80 | HSX | S19W75 | |
| 2023/05/03 | 2 | 30 | HSX | S17W91 | |
| 2023/05/04 | 2 | 30 | HSX | S17W0* |
2023/04/21
2023/04/22
2023/04/23
2023/04/24
2023/04/25
2023/04/26
2023/04/27
2023/04/28
2023/04/29
2023/04/30
2023/05/01
2023/05/02
2023/05/03
2023/05/04
|
2023/04/21
2023/04/22
2023/04/23
2023/04/24
2023/04/25
2023/04/26
2023/04/27
2023/04/28
2023/04/29
2023/04/30
2023/05/01
2023/05/02
2023/05/03
2023/05/04
|
| C |
|---|
| 5 |
The top 5 solar flares from sunspot region 13285
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C6.7 | 2023/04/28 | 01:11 | 01:22 | 01:30 | |
| 2 | C4.2 | 2023/04/28 | 20:16 | 20:33 | 20:49 | |
| 3 | C2.8 | 2023/04/28 | 05:36 | 05:43 | 05:50 | |
| 4 | C1.5 | 2023/04/24 | 17:19 | 17:27 | 17:31 | |
| 5 | C1.2 | 2023/04/22 | 10:01 | 10:07 | 10:22 |
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
Unexplained proton activity 107Ask your obscure/"stupid" space weather questions. 492AR4366 1016AR4374 13Feb 8-9 CMEs 25
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Space weather facts
| 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 | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 132.1 +19.5 |
| Last 30 days | 128.6 +27.4 |