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Relevé H-Alpha du 2025-12-30 11:55 UTC
H-Alpha — December 30, 2025 at 11:55 AM · by solarium · Wolf 90
H-Alpha solar observation made on December 30, 2025 by solarium and published on Wolf.Solar. Wolf number 90 (7 groups, 20 spots). Carrington rotation 2306.
Counts
| Groups | 7 |
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| Spots | 20 |
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| Hα active | 5 |
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| Hα quiescent | 1 |
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| Filaments | 3 |
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| Flares | 0 |
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| Plages | 3 |
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Conditions
| Seeing | 4 / 5 |
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| Transparency | 1 / 4 |
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| Cloud cover (octas) | -1 |
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Ephemerides
| Carrington rotation | 2306 |
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| L₀ | 318.97° |
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| B₀ | -2.82° |
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| P | 2.79° |
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| Declination | -23.13° |
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| Julian day | 2461039.99653 |
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