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Relevé H-Alpha du 2024-10-20 09:45 UTC
H-Alpha — October 20, 2024 at 09:45 AM · by astrololo31 · Wolf 87
H-Alpha solar observation made on October 20, 2024 by astrololo31 and published on Wolf.Solar. Wolf number 87 (7 groups, 17 spots). Carrington rotation 2290.
Counts
| Groups | 7 |
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| Spots | 17 |
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| Hα active | 1 |
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| Hα quiescent | 6 |
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| Filaments | 11 |
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| Flares | 0 |
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| Plages | 9 |
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Conditions
| Seeing | 2 / 5 |
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| Transparency | 3 / 4 |
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| Cloud cover (octas) | 3 |
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Ephemerides
| Carrington rotation | 2290 |
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| L₀ | 313.52° |
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| B₀ | 5.43° |
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| P | 25.84° |
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| Declination | -10.58° |
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| Julian day | 2460603.90625 |
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View on Wolf.Solar ↗
Grande protubérance en barre au limbe ouest