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Relevé H-Alpha du 2026-04-15 08:30 UTC
H-Alpha — April 15, 2026 at 08:30 AM · by astrololo31 · Wolf 43
H-Alpha solar observation made on April 15, 2026 by astrololo31 and published on Wolf.Solar. Wolf number 43 (3 groups, 13 spots). Carrington rotation 2309.
Counts
| Groups | 3 |
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| Spots | 13 |
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| Hα active | 4 |
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| Hα quiescent | 4 |
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| Filaments | 8 |
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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) | 1 |
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Ephemerides
| Carrington rotation | 2309 |
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| L₀ | 4.18° |
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| B₀ | -5.61° |
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| P | -25.99° |
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| Declination | 9.82° |
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| Julian day | 2461145.85417 |
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View on Wolf.Solar ↗
éruption zone NOAA 4419. Double protubérance en arche au limbe S-E, protubérance en forme d'aire au limbe N-E, protubérance en barre au limbe N-O