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Relevé H-Alpha du 2025-07-11 08:30 UTC
H-Alpha — July 11, 2025 at 08:30 AM · by astrololo31 · Wolf 54
H-Alpha solar observation made on July 11, 2025 by astrololo31 and published on Wolf.Solar. Wolf number 54 (4 groups, 14 spots). Carrington rotation 2299.
Counts
| Groups | 4 |
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| Spots | 14 |
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| Hα active | 0 |
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| Hα quiescent | 5 |
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| Filaments | 10 |
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| Flares | 0 |
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| Plages | 5 |
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Conditions
| Seeing | 3 / 5 |
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| Transparency | 3 / 4 |
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| Cloud cover (octas) | 0 |
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Ephemerides
| Carrington rotation | 2299 |
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| L₀ | 70.94° |
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| B₀ | 3.96° |
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| P | 2.08° |
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| Declination | 22.05° |
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| Julian day | 2460867.85417 |
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View on Wolf.Solar ↗
Grand protubérance en barre au limbe Nord-Est