Sunspot region AR8583
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/06/12 | 2 | 80 | HSX | S12E68 | |
| 1999/06/13 | 8 | 150 | DSO | S13E56 | |
| 1999/06/14 | 12 | 140 | DAO | S13E44 | |
| 1999/06/15 | 15 | 210 | DAI | S13E31 | |
| 1999/06/16 | 19 | 150 | DSI | S12E17 | |
| 1999/06/17 | 16 | 130 | DSO | S13E03 | |
| 1999/06/18 | 13 | 90 | DSO | S13W10 | |
| 1999/06/19 | 6 | 20 | CAO | S13W23 | |
| 1999/06/20 | 3 | 20 | CSO | S13W36 | |
| 1999/06/21 | 2 | 0 | BXO | S11W51 |
| C | M |
|---|---|
| 4 | 2 |
The top 6 solar flares from sunspot region 8583
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.56 | 1999/06/12 | 13:19 | 13:36 | 13:44 | |
| 2 | M1.14 | 1999/06/23 | 00:37 | 00:47 | 00:55 | |
| 3 | C7.03 | 1999/06/21 | 01:02 | 01:20 | 01:27 | |
| 4 | C4.57 | 1999/06/12 | 22:06 | 22:18 | 22:31 | |
| 5 | C4.27 | 1999/06/13 | 06:35 | 06:47 | 06:58 | |
| 6 | C1.43 | 1999/06/15 | 00:28 | 00:31 | 00:35 |
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.7 |
| 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 | 133.3 +47.4 |
| Last 30 days | 96.1 +32 |
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