Relevé H-Alpha du 2025-07-16 16:22 UTC
H-Alpha solar observation made on July 16, 2025 by solarium and published on Wolf.Solar. Wolf number 99 (8 groups, 19 spots). Carrington rotation 2299.
Counts
| Groups | 8 |
|---|---|
| Spots | 19 |
| Hα active | 0 |
| Hα quiescent | 9 |
| Filaments | 4 |
| Flares | 0 |
| Plages | 5 |
Conditions
| Seeing | 1 / 5 |
|---|---|
| Transparency | 1 / 4 |
| Cloud cover (octas) | -1 |
Ephemerides
| Carrington rotation | 2299 |
|---|---|
| L₀ | 0.43° |
| B₀ | 4.48° |
| P | 4.45° |
| Declination | 21.24° |
| Julian day | 2460873.18194 |
That day in the community
| Daily mean Wolf number | 169 |
|---|---|
| Observations | 8 |
| CR | 2299 |