Sunspot region AR8588
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/06/16 | 2 | 0 | AXX | S22E20 | |
| 1999/06/17 | 4 | 10 | BXO | S21E06 | |
| 1999/06/18 | 6 | 30 | CSO | S22W06 | |
| 1999/06/19 | 2 | 10 | AXX | S22W17 | |
| 1999/06/20 | 3 | 10 | BXO | S21W28 |
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
Latest forum messages
Incoming & Unnumbered Active Regions 316AR4431 13Filaments and prominences 551AR4433 1Current Farside Activity 475
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/04/28 | M1.11 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 145.5 +66.2 |
| Last 30 days | 90.2 -6.5 |
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