Relevé H-Alpha du 2025-07-20 15:28 UTC
H-Alpha solar observation made on July 20, 2025 by solarium and published on Wolf.Solar. Wolf number 92 (8 groups, 12 spots). Carrington rotation 2300.
Counts
| Groups | 8 |
|---|---|
| Spots | 12 |
| Hα active | 0 |
| Hα quiescent | 5 |
| Filaments | 4 |
| Flares | 0 |
| Plages | 3 |
Conditions
| Seeing | 1 / 5 |
|---|---|
| Transparency | 1 / 4 |
| Cloud cover (octas) | -1 |
Ephemerides
| Carrington rotation | 2300 |
|---|---|
| L₀ | 308.00° |
| B₀ | 4.85° |
| P | 6.17° |
| Declination | 20.53° |
| Julian day | 2460877.14444 |
That day in the community
| Daily mean Wolf number | 120 |
|---|---|
| Observations | 5 |
| CR | 2300 |