Sunspot region AR13289
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/04/25 | 2 | 90 | HAX | N20E67 | |
| 2023/04/26 | 3 | 150 | DSO | N20E53 | |
| 2023/04/27 | 5 | 180 | DAO | N20E44 | |
| 2023/04/28 | 10 | 180 | DSI | N20E37 | |
| 2023/04/29 | 7 | 200 | DAI | N20E24 | |
| 2023/04/30 | 8 | 220 | DAI | N20E10 | |
| 2023/05/01 | 8 | 200 | DAI | N20W04 | |
| 2023/05/02 | 14 | 150 | DSI | N20W20 | |
| 2023/05/03 | 7 | 30 | CRO | N20W28 | |
| 2023/05/04 | 4 | 10 | BXO | N20W42 |
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
|
2023/04/25
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
|
| B | C |
|---|---|
| 1 | 8 |
The top 9 solar flares from sunspot region 13289
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C6.8 | 2023/04/28 | 15:23 | 16:00 | 16:15 | |
| 2 | C6.0 | 2023/04/29 | 13:46 | 14:07 | 14:40 | |
| 3 | C3.0 | 2023/04/27 | 00:41 | 00:58 | 01:09 | |
| 4 | C2.7 | 2023/05/01 | 15:16 | 15:27 | 15:39 | |
| 5 | C2.5 | 2023/04/26 | 14:10 | 14:23 | 14:31 | |
| 6 | C2.5 | 2023/04/27 | 02:28 | 02:49 | 03:43 | |
| 7 | C1.8 | 2023/05/02 | 02:36 | 02:44 | 02:51 | |
| 8 | C1.5 | 2023/04/27 | 19:25 | 19:36 | 19:43 | |
| 9 | B9.7 | 2023/04/27 | 19:13 | 19:22 | 19:25 |
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
AR4366 1003Feb 8-9 CMEs 22AR4362 21Incoming & Unnumbered Active Regions 155Do the high-resolution sunspot counts point to more complex sunspots? 57
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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 | 135.3 +22.7 |
| Last 30 days | 127.2 +23.7 |