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Relevé H-Alpha du 2023-04-17 09:00 UTC
H-Alpha — April 17, 2023 at 09:00 AM · by astrololo31 · Wolf 69
H-Alpha solar observation made on April 17, 2023 by astrololo31 and published on Wolf.Solar. Wolf number 69 (6 groups, 9 spots). Carrington rotation 2269.
Counts
| Groups | 6 |
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| Spots | 9 |
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| Hα active | 1 |
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| Hα quiescent | 8 |
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| Filaments | 14 |
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| Flares | 0 |
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| Plages | 8 |
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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 | 2269 |
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| L₀ | 43.37° |
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| B₀ | -5.46° |
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| P | -25.88° |
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| Declination | 10.44° |
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| Julian day | 2460051.87500 |
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