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Relevé Lumière Blanche du 2026-04-17 09:20 UTC
Whitelight — April 17, 2026 at 09:20 AM · by pascal81 · Wolf 55 · A 1 ⚠Warning — Your eye must be behind a suitable filter! Never look at the Sun without proper visual protection! Can cause serious eye damage or blindness!
Whitelight solar observation made on April 17, 2026 by pascal81 and published on Wolf.Solar. Wolf number 55 (4 groups, 15 spots). Naked-eye A number 1. Carrington rotation 2310.
Counts
| A number (naked eye) ⚠Warning — Your eye must be behind a suitable filter! Never look at the Sun without proper visual protection! Can cause serious eye damage or blindness! | 1 |
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| Groups | 4 |
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| Groups North | 3 |
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| Groups South | 1 |
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| Spots | 15 |
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| Spots North | 8 |
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| Spots South | 7 |
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| Plages | 1 |
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Conditions
| Seeing | 2 / 5 |
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| Cloud cover (octas) | 6 |
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Ephemerides
| Carrington rotation | 2310 |
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| L₀ | 337.32° |
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| B₀ | -5.44° |
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| P | -25.85° |
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| Declination | 10.54° |
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| Julian day | 2461147.88889 |
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Images by pascal81 that day
View on Wolf.Solar ↗