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Relevé H-Alpha du 2023-09-19 09:40 UTC
H-Alpha — September 19, 2023 at 09:40 AM · by astrololo31 · Wolf 101
H-Alpha solar observation made on September 19, 2023 by astrololo31 and published on Wolf.Solar. Wolf number 101 (8 groups, 21 spots). Carrington rotation 2275.
Counts
| Groups | 8 |
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| Spots | 21 |
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| Hα active | 4 |
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| Hα quiescent | 18 |
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| Filaments | 20 |
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| Flares | 1 |
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| Plages | 9 |
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Conditions
| Seeing | 2 / 5 |
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| Transparency | 2 / 4 |
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| Cloud cover (octas) | 4 |
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Ephemerides
| Carrington rotation | 2275 |
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| L₀ | 153.35° |
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| B₀ | 7.14° |
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| P | 24.67° |
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| Declination | 1.51° |
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| Julian day | 2460206.90278 |
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View on Wolf.Solar ↗
Erruption zone 3435