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Relevé H-Alpha du 2023-05-17 09:00 UTC
H-Alpha — May 17, 2023 at 09:00 AM · by astrololo31 · Wolf 50
H-Alpha solar observation made on May 17, 2023 by astrololo31 and published on Wolf.Solar. Wolf number 50 (4 groups, 10 spots). Carrington rotation 2270.
Counts
| Groups | 4 |
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| Spots | 10 |
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| Hα active | 1 |
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| Hα quiescent | 12 |
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| Filaments | 17 |
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| Flares | 0 |
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| Plages | 6 |
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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 | 2270 |
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| L₀ | 6.88° |
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| B₀ | -2.46° |
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| P | -20.38° |
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| Declination | 19.31° |
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| Julian day | 2460081.87500 |
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