Relevé H-Alpha du 2025-05-17 10:53 UTC
H-Alpha solar observation made on May 17, 2025 by solarium and published on Wolf.Solar. Wolf number 25 (2 groups, 5 spots). Carrington rotation 2297.
Counts
| Groups | 2 |
|---|---|
| Spots | 5 |
| Hα active | 2 |
| Hα quiescent | 6 |
| Filaments | 0 |
| Flares | 0 |
| Plages | 0 |
Conditions
| Seeing | 2 / 5 |
|---|---|
| Transparency | 1 / 4 |
| Cloud cover (octas) | -1 |
Ephemerides
| Carrington rotation | 2297 |
|---|---|
| L₀ | 77.51° |
| B₀ | -2.39° |
| P | -20.20° |
| Declination | 19.44° |
| Julian day | 2460812.95347 |
That day in the community
| Daily mean Wolf number | 41 |
|---|---|
| Observations | 8 |
| CR | 2297 |