Sunspot region AR13728
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/06/25 | 4 | 10 | BXO | S25E55 | |
| 2024/06/26 | 2 | 10 | BXO | S27E42 | |
| 2024/06/27 | 4 | 30 | CAO | S27E28 | |
| 2024/06/28 | 5 | 100 | DSO | S27E17 | |
| 2024/06/29 | 7 | 80 | DAO | S27E03 | |
| 2024/06/30 | 5 | 60 | DAO | S27W10 | |
| 2024/07/01 | 3 | 30 | CAO | S27W22 | |
| 2024/07/02 | 2 | 20 | HRX | S27W38 |
2024/06/25
2024/06/26
2024/06/27
2024/06/28
2024/06/29
2024/06/30
2024/07/01
2024/07/02
|
2024/06/25
2024/06/26
2024/06/27
2024/06/28
2024/06/29
2024/06/30
2024/07/01
2024/07/02
|
| C |
|---|
| 4 |
The top 4 solar flares from sunspot region 13728
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.6 | 2024/06/28 | 02:23 | 02:27 | 02:31 | |
| 2 | C2.4 | 2024/06/27 | 19:46 | 19:54 | 20:10 | |
| 3 | C2.3 | 2024/06/28 | 11:35 | 11:42 | 11:47 | |
| 4 | C2.3 | 2024/06/29 | 13:08 | 13:13 | 13:22 |
Latest news
Sunday, 23 June 2024
Old sunspot region 3664 returns with an M9.3 solar flare!
Monday, 10 June 2024
CME impact, X1.5 solar flare
Saturday, 8 June 2024
M9.3 solar flare, S3 proton storm, Earth-directed CME
Latest forum messages
AR 13730 13A R 3729 21Filaments and prominences 273Sporadic E and Flare activity 31From our Canadian friend VE3EN 3
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Space weather facts
| Last X-flare | 2024/06/10 | X1.55 |
| Last M-flare | 2024/07/03 | M1.5 |
| Last geomagnetic storm | 2024/06/28 | Kp8- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| May 2024 | 171.7 +35.2 |
| July 2024 | 192 +20.3 |
| Last 30 days | 155.5 +1.5 |