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Relevé H-Alpha du 2025-04-05 08:45 UTC
H-Alpha — April 5, 2025 at 08:45 AM · by astrololo31 · Wolf 99
H-Alpha solar observation made on April 5, 2025 by astrololo31 and published on Wolf.Solar. Wolf number 99 (7 groups, 29 spots). Carrington rotation 2296.
Counts
| Groups | 7 |
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| Spots | 29 |
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| Hα active | 2 |
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| Hα quiescent | 9 |
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| Filaments | 13 |
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| Flares | 0 |
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| Plages | 8 |
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Conditions
| Seeing | 2 / 5 |
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| Transparency | 2 / 4 |
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| Cloud cover (octas) | 1 |
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Ephemerides
| Carrington rotation | 2296 |
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| L₀ | 273.60° |
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| B₀ | -6.29° |
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| P | -26.25° |
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| Declination | 6.23° |
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| Julian day | 2460770.86458 |
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