Search
Relevé H-Alpha du 2025-09-30 09:00 UTC
H-Alpha — September 30, 2025 at 09:00 AM · by astrololo31 · Wolf 137
H-Alpha solar observation made on September 30, 2025 by astrololo31 and published on Wolf.Solar. Wolf number 137 (10 groups, 37 spots). Carrington rotation 2302.
Counts
| Groups | 10 |
|---|
| Spots | 37 |
|---|
| Hα active | 2 |
|---|
| Hα quiescent | 7 |
|---|
| Filaments | 19 |
|---|
| Flares | 0 |
|---|
| Plages | 9 |
|---|
Conditions
| Seeing | 1 / 5 |
|---|
| Transparency | 1 / 4 |
|---|
| Cloud cover (octas) | 1 |
|---|
Ephemerides
| Carrington rotation | 2302 |
|---|
| L₀ | 80.22° |
|---|
| B₀ | 6.75° |
|---|
| P | 25.91° |
|---|
| Declination | -2.96° |
|---|
| Julian day | 2460948.87500 |
|---|
View on Wolf.Solar ↗
2 très grandes protubérances éruptives se rejoignent en arche au limbe Nord-Ouest puis se séparent vers 09h10.