Search
Relevé H-Alpha du 2025-08-07 08:30 UTC
H-Alpha — August 7, 2025 at 08:30 AM · by astrololo31 · Wolf 87
H-Alpha solar observation made on August 7, 2025 by astrololo31 and published on Wolf.Solar. Wolf number 87 (6 groups, 27 spots). Carrington rotation 2300.
Counts
| Groups | 6 |
|---|
| Spots | 27 |
|---|
| Hα active | 2 |
|---|
| Hα quiescent | 7 |
|---|
| Filaments | 7 |
|---|
| Flares | 0 |
|---|
| Plages | 8 |
|---|
Conditions
| Seeing | 2 / 5 |
|---|
| Transparency | 3 / 4 |
|---|
| Cloud cover (octas) | 1 |
|---|
Ephemerides
| Carrington rotation | 2300 |
|---|
| L₀ | 73.76° |
|---|
| B₀ | 6.21° |
|---|
| P | 13.32° |
|---|
| Declination | 16.31° |
|---|
| Julian day | 2460894.85417 |
|---|
View on Wolf.Solar ↗
Protubérance active en barre au limbe Sud-Ouest