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Relevé H-Alpha du 2025-09-18 08:30 UTC
H-Alpha — September 18, 2025 at 08:30 AM · by astrololo31 · Wolf 79
H-Alpha solar observation made on September 18, 2025 by astrololo31 and published on Wolf.Solar. Wolf number 79 (6 groups, 19 spots). Carrington rotation 2302.
Counts
| Groups | 6 |
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| Spots | 19 |
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| Hα active | 3 |
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| Hα quiescent | 4 |
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| Filaments | 19 |
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| Flares | 0 |
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| Plages | 6 |
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Conditions
| Seeing | 2 / 5 |
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| Transparency | 2 / 4 |
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| Cloud cover (octas) | 0 |
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Ephemerides
| Carrington rotation | 2302 |
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| L₀ | 238.88° |
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| B₀ | 7.15° |
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| P | 24.59° |
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| Declination | 1.71° |
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| Julian day | 2460936.85417 |
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View on Wolf.Solar ↗
Protubérance en barre active au limbe Nord-Ouest