Relevé H-Alpha du 2025-06-18 16:30 UTC
H-Alpha solar observation made on June 18, 2025 by solarium and published on Wolf.Solar. Wolf number 87 (7 groups, 17 spots). Carrington rotation 2298.
Counts
| Groups | 7 |
|---|---|
| Spots | 17 |
| Hα active | 2 |
| Hα quiescent | 4 |
| Filaments | 3 |
| Flares | 0 |
| Plages | 1 |
Conditions
| Seeing | 2 / 5 |
|---|---|
| Transparency | 1 / 4 |
| Cloud cover (octas) | -1 |
Ephemerides
| Carrington rotation | 2298 |
|---|---|
| L₀ | 10.95° |
| B₀ | 1.45° |
| P | -8.11° |
| Declination | 23.42° |
| Julian day | 2460845.18750 |
That day in the community
| Daily mean Wolf number | 116 |
|---|---|
| Observations | 7 |
| CR | 2298 |