Relevé H-Alpha du 2025-04-21 09:25 UTC
H-Alpha solar observation made on April 21, 2025 by solarium and published on Wolf.Solar. Wolf number 84 (7 groups, 14 spots). Carrington rotation 2296.
Counts
| Groups | 7 |
|---|---|
| Spots | 14 |
| Hα active | 1 |
| Hα quiescent | 5 |
| Filaments | 4 |
| Flares | 0 |
| Plages | 0 |
Conditions
| Seeing | 2 / 5 |
|---|---|
| Transparency | 1 / 4 |
| Cloud cover (octas) | -1 |
Ephemerides
| Carrington rotation | 2296 |
|---|---|
| L₀ | 62.00° |
| B₀ | -5.08° |
| P | -25.46° |
| Declination | 12.01° |
| Julian day | 2460786.89236 |
That day in the community
| Daily mean Wolf number | 115 |
|---|---|
| Observations | 5 |
| CR | 2296 |