Sunspot region AR8537
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/05/08 | 9 | 40 | CSO | N19W60 | |
| 1999/05/09 | 7 | 230 | EAO | N19W73 | |
| 1999/05/10 | 4 | 170 | DAO | N20W88 |
| C | X |
|---|---|
| 5 | 1 |
The top 6 solar flares from sunspot region 8537
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1.1 | 1999/05/09 | 17:53 | 18:07 | 18:15 | |
| 2 | C7.31 | 1999/05/09 | 16:06 | 16:12 | 16:19 | |
| 3 | C6.61 | 1999/05/08 | 01:55 | 02:03 | 02:11 | |
| 4 | C5.36 | 1999/05/08 | 05:05 | 05:15 | 05:18 | |
| 5 | C4.8 | 1999/05/08 | 01:00 | 01:12 | 01:23 | |
| 6 | C3.1 | 1999/05/08 | 19:45 | 19:48 | 19:51 |
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
AR3663 2ionosphere D detection 13Unproven theories 378CME 2024-MAY-01 south of AR3654 C5.8 4AR3654 45
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Space weather facts
| Last X-flare | 2024/03/28 | X1.1 |
| Last M-flare | 2024/05/02 | M1.0 |
| Last geomagnetic storm | 2024/04/26 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| Last 30 days | 146.6 +47.6 |