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Relevé H-Alpha du 2025-12-09 10:45 UTC
H-Alpha — December 9, 2025 at 10:45 AM · by astrololo31 · Wolf 87
H-Alpha solar observation made on December 9, 2025 by astrololo31 and published on Wolf.Solar. Wolf number 87 (6 groups, 27 spots). Carrington rotation 2305.
Counts
| Groups | 6 |
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| Spots | 27 |
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| Hα active | 5 |
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| Hα quiescent | 6 |
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| Filaments | 11 |
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| Flares | 0 |
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| Plages | 8 |
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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 | 2305 |
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| L₀ | 236.26° |
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| B₀ | -0.19° |
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| P | 12.56° |
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| Declination | -22.86° |
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| Julian day | 2461018.94792 |
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View on Wolf.Solar ↗
2 grandes protubérances au limbe Est