Sunspot region AR13281
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/04/13 | 5 | 220 | DAO | S23E69 | |
| 2023/04/14 | 8 | 350 | DKO | S24E55 | |
| 2023/04/15 | 12 | 310 | DKO | S24E44 | |
| 2023/04/16 | 12 | 300 | EKI | S24E31 | |
| 2023/04/17 | 16 | 160 | EKI | S24E19 | |
| 2023/04/18 | 16 | 120 | EAI | S22W00 | |
| 2023/04/19 | 10 | 60 | CAO | S22W11 | |
| 2023/04/20 | 6 | 60 | BXO | S23W22 | |
| 2023/04/21 | 7 | 30 | CRO | S21W40 | |
| 2023/04/22 | 3 | 10 | CRO | S21W49 | |
| 2023/04/23 | 2 | 10 | AXX | S22W62 |
2023/04/13
2023/04/14
2023/04/15
2023/04/16
2023/04/17
2023/04/18
2023/04/19
2023/04/20
2023/04/21
2023/04/22
2023/04/23
|
2023/04/13
2023/04/14
2023/04/15
2023/04/16
2023/04/17
2023/04/18
2023/04/19
2023/04/20
2023/04/21
2023/04/22
2023/04/23
|
| C |
|---|
| 14 |
The top 10 solar flares from sunspot region 13281
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C7.0 | 2023/04/17 | 06:21 | 06:33 | 06:39 | |
| 2 | C3.7 | 2023/04/13 | 08:15 | 08:20 | 08:31 | |
| 3 | C3.6 | 2023/04/20 | 09:17 | 09:22 | 09:29 | |
| 4 | C3.3 | 2023/04/15 | 16:11 | 16:18 | 16:25 | |
| 5 | C3.3 | 2023/04/16 | 03:28 | 03:39 | 03:48 | |
| 6 | C2.5 | 2023/04/20 | 07:37 | 07:43 | 07:51 | |
| 7 | C2.4 | 2023/04/20 | 10:46 | 10:55 | 11:07 | |
| 8 | C2.3 | 2023/04/15 | 12:49 | 12:56 | 13:02 | |
| 9 | C2.3 | 2023/04/20 | 22:23 | 22:30 | 22:37 | |
| 10 | C2.2 | 2023/04/14 | 05:08 | 05:16 | 05:28 |
Latest news
Wednesday, 31 December 2025
Happy New Year! Celebrate with an M7.1 solar flare!
Sunday, 7 December 2025
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Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Latest forum messages
CMEs - January 08, 2026; G1-Watch 87AR 4336 56Current Farside Activity 283Incoming & Unnumbered Active Regions 82Coronal Hole 12/13 34
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/31 | M7.11 |
| Last geomagnetic storm | 2026/01/10 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 102.5 -21.5 |
| Last 30 days | 100.5 -9 |