Relevé H-Alpha du 2025-04-30 08:05 UTC
H-Alpha solar observation made on April 30, 2025 by solarium and published on Wolf.Solar. Wolf number 47 (4 groups, 7 spots). Carrington rotation 2297.
Counts
| Groups | 4 |
|---|---|
| Spots | 7 |
| Hα active | 2 |
| Hα quiescent | 6 |
| Filaments | 5 |
| Flares | 0 |
| Plages | 1 |
Conditions
| Seeing | 1 / 5 |
|---|---|
| Transparency | 1 / 4 |
| Cloud cover (octas) | -1 |
Ephemerides
| Carrington rotation | 2297 |
|---|---|
| L₀ | 303.82° |
| B₀ | -4.24° |
| P | -24.20° |
| Declination | 14.89° |
| Julian day | 2460795.83681 |
That day in the community
| Daily mean Wolf number | 67 |
|---|---|
| Observations | 6 |
| CR | 2297 |