Relevé H-Alpha du 2026-04-09 09:00 UTC
H-Alpha solar observation made on April 9, 2026 by astrololo31 and published on Wolf.Solar. Wolf number 57 (5 groups, 7 spots). Carrington rotation 2309.
Counts
| Groups | 5 |
|---|---|
| Spots | 7 |
| Hα active | 4 |
| Hα quiescent | 6 |
| Filaments | 6 |
| Flares | 1 |
| Plages | 5 |
Conditions
| Seeing | 2 / 5 |
|---|---|
| Transparency | 2 / 4 |
| Cloud cover (octas) | 1 |
Ephemerides
| Carrington rotation | 2309 |
|---|---|
| L₀ | 83.12° |
| B₀ | -6.05° |
| P | -26.23° |
| Declination | 7.64° |
| Julian day | 2461139.87500 |
That day in the community
| Daily mean Wolf number | 56 |
|---|---|
| Observations | 8 |
| CR | 2309 |
éruption zone NOAA 4409
Grand filament Sud