Sunspot region AR13617
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/03/20 | 3 | 60 | HAX | S16E65 | |
| 2024/03/21 | 2 | 150 | CAO | S15E51 | |
| 2024/03/22 | 6 | 100 | CAO | S14E41 | |
| 2024/03/23 | 4 | 90 | CAO | S14E28 | |
| 2024/03/24 | 5 | 60 | CAO | S15E11 | |
| 2024/03/25 | 2 | 60 | CAO | S12E02 | |
| 2024/03/26 | 1 | 50 | HSX | S14W10 | |
| 2024/03/27 | 1 | 30 | HSX | S14W24 | |
| 2024/03/28 | 3 | 30 | CSO | S14W38 | |
| 2024/03/29 | 2 | 30 | CSO | S14W51 | |
| 2024/03/30 | 2 | 20 | CRO | S13W63 | |
| 2024/03/31 | 1 | 10 | AXX | S13W77 | |
| 2024/04/01 | 1 | 10 | AXX | S13W90 |
2024/03/20
2024/03/21
2024/03/22
2024/03/23
2024/03/24
2024/03/25
2024/03/26
2024/03/27
2024/03/28
2024/03/29
2024/03/30
2024/03/31
2024/04/01
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2024/03/20
2024/03/21
2024/03/22
2024/03/23
2024/03/24
2024/03/25
2024/03/26
2024/03/27
2024/03/28
2024/03/29
2024/03/30
2024/03/31
2024/04/01
|
| C |
|---|
| 2 |
The top 2 solar flares from sunspot region 13617
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C4.8 | 2024/03/22 | 16:46 | 16:57 | 17:09 | |
| 2 | C4.3 | 2024/03/22 | 11:09 | 11:16 | 11:29 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Latest forum messages
Late 2026/04/01 Filament CME 84AR4409 128Space Weather Memes 814Comet C/2026 A1 (MAPS) for the southern hemisphere 38AR4403 39
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M7.6 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 141 +55.1 |
| Last 30 days | 95.4 +31.2 |
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