Relevé H-Alpha du 2025-05-16 16:47 UTC
H-Alpha solar observation made on May 16, 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 | 4 |
| Hα quiescent | 3 |
| Filaments | 5 |
| Flares | 0 |
| Plages | 1 |
Conditions
| Seeing | 3 / 5 |
|---|---|
| Transparency | 1 / 4 |
| Cloud cover (octas) | -1 |
Ephemerides
| Carrington rotation | 2297 |
|---|---|
| L₀ | 87.49° |
| B₀ | -2.48° |
| P | -20.42° |
| Declination | 19.27° |
| Julian day | 2460812.19931 |
That day in the community
| Daily mean Wolf number | 48 |
|---|---|
| Observations | 5 |
| CR | 2297 |