Relevé H-Alpha du 2025-04-20 10:15 UTC
H-Alpha solar observation made on April 20, 2025 by solarium and published on Wolf.Solar. Wolf number 85 (7 groups, 15 spots). Carrington rotation 2296.
Counts
| Groups | 7 |
|---|---|
| Spots | 15 |
| Hα active | 0 |
| Hα quiescent | 8 |
| Filaments | 3 |
| Flares | 0 |
| Plages | 0 |
Conditions
| Seeing | 1 / 5 |
|---|---|
| Transparency | 2 / 4 |
| Cloud cover (octas) | -1 |
Ephemerides
| Carrington rotation | 2296 |
|---|---|
| L₀ | 74.75° |
| B₀ | -5.17° |
| P | -25.56° |
| Declination | 11.68° |
| Julian day | 2460785.92708 |
That day in the community
| Daily mean Wolf number | 93 |
|---|---|
| Observations | 5 |
| CR | 2296 |