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Relevé H-Alpha du 2025-08-09 08:00 UTC
H-Alpha — August 9, 2025 at 08:00 AM · by astrololo31 · Wolf 131
H-Alpha solar observation made on August 9, 2025 by astrololo31 and published on Wolf.Solar. Wolf number 131 (11 groups, 21 spots). Carrington rotation 2300.
Counts
| Groups | 11 |
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| Spots | 21 |
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| Hα active | 1 |
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| Hα quiescent | 9 |
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| Filaments | 7 |
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| Flares | 0 |
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| Plages | 10 |
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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 | 2300 |
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| L₀ | 47.59° |
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| B₀ | 6.33° |
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| P | 14.05° |
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| Declination | 15.74° |
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| Julian day | 2460896.83333 |
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