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Relevé H-Alpha du 2026-07-21 09:00 UTC
H-Alpha — July 21, 2026 at 09:00 AM · by astrololo31 · Wolf 59
H-Alpha solar observation made on July 21, 2026 by astrololo31 and published on Wolf.Solar. Wolf number 59 (4 groups, 19 spots). Carrington rotation 2313.
Counts
| Groups | 4 |
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| Spots | 19 |
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| Hα active | 1 |
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| Hα quiescent | 7 |
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| Filaments | 7 |
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| Flares | 1 |
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| Plages | 5 |
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Conditions
| Seeing | 3 / 5 |
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| Transparency | 3 / 4 |
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| Cloud cover (octas) | 2 |
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Ephemerides
| Carrington rotation | 2313 |
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| L₀ | 160.79° |
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| B₀ | 4.89° |
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| P | 6.38° |
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| Declination | 20.43° |
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| Julian day | 2461242.87500 |
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View on Wolf.Solar ↗
éruption zone NOAA 4493