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Relevé H-Alpha du 2025-06-17 08:45 UTC
H-Alpha — June 17, 2025 at 08:45 AM · by astrololo31 · Wolf 66
H-Alpha solar observation made on June 17, 2025 by astrololo31 and published on Wolf.Solar. Wolf number 66 (5 groups, 16 spots). Carrington rotation 2298.
Counts
| Groups | 5 |
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| Spots | 16 |
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| Hα active | 1 |
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| Hα quiescent | 7 |
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| Filaments | 9 |
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| Flares | 1 |
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| Plages | 4 |
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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 | 2298 |
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| L₀ | 28.46° |
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| B₀ | 1.29° |
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| P | -8.68° |
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| Declination | 23.39° |
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| Julian day | 2460843.86458 |
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