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Relevé H-Alpha du 2025-10-12 12:30 UTC
H-Alpha — October 12, 2025 at 12:30 PM · by astrololo31 · Wolf 49
H-Alpha solar observation made on October 12, 2025 by astrololo31 and published on Wolf.Solar. Wolf number 49 (3 groups, 19 spots). Carrington rotation 2303.
Counts
| Groups | 3 |
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| Spots | 19 |
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| Hα active | 2 |
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| Hα quiescent | 10 |
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| Filaments | 14 |
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| Flares | 1 |
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| Plages | 5 |
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Conditions
| Seeing | 2 / 5 |
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| Transparency | 2 / 4 |
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| Cloud cover (octas) | 2 |
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Ephemerides
| Carrington rotation | 2303 |
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| L₀ | 279.97° |
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| B₀ | 6.05° |
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| P | 26.23° |
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| Declination | -7.61° |
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| Julian day | 2460961.02083 |
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View on Wolf.Solar ↗
Grande protubérance en arbre au limbe Nord-Ouest. Flare zone NOAA 4247