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Relevé H-Alpha du 2023-02-09 10:00 UTC
H-Alpha — February 9, 2023 at 10:00 AM · by astrololo31 · Wolf 55
H-Alpha solar observation made on February 9, 2023 by astrololo31 and published on Wolf.Solar. Wolf number 55 (4 groups, 15 spots). Carrington rotation 2267.
Counts
| Groups | 4 |
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| Groups North | 3 |
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| Groups South | 1 |
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| Spots | 15 |
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| Spots North | 13 |
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| Spots South | 2 |
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| Hα active | 2 |
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| Hα quiescent | 16 |
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| Filaments | 8 |
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| Flares | 0 |
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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) | 0 |
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Ephemerides
| Carrington rotation | 2267 |
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| L₀ | 206.01° |
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| B₀ | -6.53° |
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| P | -15.31° |
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| Declination | -14.69° |
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| Julian day | 2459984.91667 |
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