Sunspot region AR8639
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/07/20 | 5 | 10 | BXO | N38W14 | |
| 1999/07/21 | 5 | 20 | BXO | N39W26 | |
| 1999/07/22 | 11 | 50 | DSO | N38W37 | |
| 1999/07/23 | 12 | 400 | DAI | N38W50 | |
| 1999/07/24 | 13 | 390 | DKO | N38W62 | |
| 1999/07/25 | 14 | 290 | DAO | N38W74 | |
| 1999/07/26 | 8 | 230 | DAO | N38W87 |
| C | M |
|---|---|
| 1 | 2 |
The top 3 solar flares from sunspot region 8639
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M3.44 | 1999/07/25 | 13:08 | 13:38 | 14:17 | |
| 2 | M1.1 | 1999/07/24 | 20:40 | 20:48 | 20:59 | |
| 3 | C3.69 | 1999/07/22 | 02:32 | 02:39 | 02:46 |
Latest news
Monday, 22 April 2024
Lot's of sunspots! Big chance for major flare activity?
Saturday, 23 March 2024
X1.1 solar flare with earth-directed CME
Wednesday, 20 March 2024
Sunspot region 3615, G1 watch
Latest forum messages
What are these long and thin eruptions? 1AR 3637, 3638, 3643 89Unproven theories 341Space Weather Memes 338Filaments and prominences 55
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Space weather facts
| Last X-flare | 2024/03/28 | X1.1 |
| Last M-flare | 2024/04/25 | M1.0 |
| Last geomagnetic storm | 2024/04/19 | Kp7 (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2024 | 104.9 -19.8 |
| Last 30 days | 133.9 +26.6 |