Sunspot region AR8516
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/04/15 | 5 | 60 | CAO | S21E68 | |
| 1999/04/16 | 8 | 50 | CAO | S19E55 | |
| 1999/04/17 | 8 | 70 | CAO | S20E44 | |
| 1999/04/18 | 5 | 80 | CAO | S20E30 | |
| 1999/04/19 | 5 | 60 | CSO | S18E16 | |
| 1999/04/20 | 5 | 70 | CAO | S18E03 | |
| 1999/04/21 | 3 | 40 | CSO | S19W11 | |
| 1999/04/22 | 3 | 50 | CSO | S19W25 | |
| 1999/04/23 | 6 | 40 | CSO | S20W36 | |
| 1999/04/24 | 8 | 30 | CRO | S19W50 | |
| 1999/04/25 | 10 | 20 | CRO | S19W62 |
Latest news
Saturday, 1 June 2024
Double impulsive X-class flares
Wednesday, 29 May 2024
X1.4 solar flare from sunspot region 3697
Monday, 27 May 2024
X2.9 solar flare, Welcome back 3664?
Latest forum messages
Filaments and prominences 168Region 3697 2024/06/01 CMEs 97AR 3697 319Region 3697 2024/05/29 CME 16Unproven theories 591
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Space weather facts
| Last X-flare | 2024/06/01 | X1.03 |
| Last M-flare | 2024/06/02 | M1.9 |
| Last geomagnetic storm | 2024/05/17 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| June 2024 | 194 +57.5 |
| Last 30 days | 150 +4.1 |