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Relevé H-Alpha du 2025-12-13 10:30 UTC
H-Alpha — December 13, 2025 at 10:30 AM · by astrololo31 · Wolf 49
H-Alpha solar observation made on December 13, 2025 by astrololo31 and published on Wolf.Solar. Wolf number 49 (4 groups, 9 spots). Carrington rotation 2305.
Counts
| Groups | 4 |
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| Spots | 9 |
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| Hα active | 2 |
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| Hα quiescent | 5 |
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| Filaments | 6 |
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| Flares | 0 |
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| Plages | 5 |
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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 | 2305 |
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| L₀ | 183.69° |
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| B₀ | -0.70° |
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| P | 10.81° |
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| Declination | -23.18° |
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| Julian day | 2461022.93750 |
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