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Relevé H-Alpha du 2025-04-10 09:45 UTC
H-Alpha — April 10, 2025 at 09:45 AM · by astrololo31 · Wolf 74
H-Alpha solar observation made on April 10, 2025 by astrololo31 and published on Wolf.Solar. Wolf number 74 (6 groups, 14 spots). Carrington rotation 2296.
Counts
| Groups | 6 |
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| Spots | 14 |
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| Hα active | 1 |
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| Hα quiescent | 12 |
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| Filaments | 13 |
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| Flares | 1 |
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| Plages | 7 |
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Conditions
| Seeing | 2 / 5 |
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| Transparency | 2 / 4 |
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| Cloud cover (octas) | 3 |
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Ephemerides
| Carrington rotation | 2296 |
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| L₀ | 207.06° |
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| B₀ | -5.96° |
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| P | -26.20° |
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| Declination | 8.11° |
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| Julian day | 2460775.90625 |
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View on Wolf.Solar ↗
éruption zone NOAA 4055