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Relevé H-Alpha du 2025-05-30 08:45 UTC
H-Alpha — May 30, 2025 at 08:45 AM · by astrololo31 · Wolf 81
H-Alpha solar observation made on May 30, 2025 by astrololo31 and published on Wolf.Solar. Wolf number 81 (6 groups, 21 spots). Carrington rotation 2298.
Counts
| Groups | 6 |
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| Spots | 21 |
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| Hα active | 2 |
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| Hα quiescent | 7 |
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| Filaments | 13 |
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| Flares | 0 |
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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) | 0 |
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Ephemerides
| Carrington rotation | 2298 |
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| L₀ | 266.70° |
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| B₀ | -0.87° |
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| P | -15.95° |
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| Declination | 21.83° |
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| Julian day | 2460825.86458 |
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View on Wolf.Solar ↗
Belle protubérance active au limbe Nord-Est