Sunspot region AR13770
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/07/28 | 10 | 200 | DAI | N07E08 | |
| 2024/07/29 | 15 | 240 | DAI | N07W08 | |
| 2024/07/30 | 12 | 260 | DHO | N07W21 | |
| 2024/07/31 | 12 | 340 | DHO | N07W34 | |
| 2024/08/01 | 12 | 310 | DHO | N07W45 | |
| 2024/08/02 | 10 | 270 | DHO | N07W60 | |
| 2024/08/03 | 5 | 260 | DHO | N07W75 | |
| 2024/08/04 | 2 | 130 | CSO | N08W86 | |
| 2024/08/05 | 2 | 130 | CSO | N08W0* |
2024/07/28
2024/07/29
2024/07/30
2024/07/31
2024/08/01
2024/08/02
2024/08/03
2024/08/04
2024/08/05
|
2024/07/28
2024/07/29
2024/07/30
2024/07/31
2024/08/01
2024/08/02
2024/08/03
2024/08/04
2024/08/05
|
| C | M |
|---|---|
| 7 | 4 |
The top 10 solar flares from sunspot region 13770
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.8 | 2024/08/03 | 16:49 | 16:54 | 16:58 | |
| 2 | M1.55 | 2024/08/03 | 06:52 | 07:05 | 07:11 | |
| 3 | M1.5 | 2024/08/03 | 04:45 | 04:59 | 05:05 | |
| 4 | M1.26 | 2024/08/01 | 00:50 | 00:58 | 01:03 | |
| 5 | C9.4 | 2024/07/29 | 03:40 | 03:44 | 03:50 | |
| 6 | C9.3 | 2024/08/01 | 00:01 | 00:08 | 00:12 | |
| 7 | C9.2 | 2024/07/31 | 10:09 | 10:21 | 10:31 | |
| 8 | C9.0 | 2024/08/03 | 06:19 | 06:49 | 06:52 | |
| 9 | C6.9 | 2024/08/03 | 05:52 | 06:05 | 06:19 | |
| 10 | C4.8 | 2024/07/31 | 02:35 | 02:41 | 03:06 |
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
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| 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 | 89.7 +3.8 |
| Last 30 days | 94.1 +33.7 |
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