Relevé H-Alpha du 2025-07-12 08:20 UTC
H-Alpha solar observation made on July 12, 2025 by solarium and published on Wolf.Solar. Wolf number 73 (6 groups, 13 spots). Carrington rotation 2299.
Counts
| Groups | 6 |
|---|---|
| Spots | 13 |
| Hα active | 2 |
| Hα quiescent | 3 |
| Filaments | 5 |
| Flares | 0 |
| Plages | 3 |
Conditions
| Seeing | 2 / 5 |
|---|---|
| Transparency | 1 / 4 |
| Cloud cover (octas) | -1 |
Ephemerides
| Carrington rotation | 2299 |
|---|---|
| L₀ | 57.79° |
| B₀ | 4.06° |
| P | 2.52° |
| Declination | 21.91° |
| Julian day | 2460868.84722 |
That day in the community
| Daily mean Wolf number | 99 |
|---|---|
| Observations | 5 |
| CR | 2299 |