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Relevé Lumière Blanche du 2025-09-17 16:31 UTC
Whitelight — September 17, 2025 at 04:31 PM · by solarium · Wolf 91 · A 0 ⚠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 September 17, 2025 by solarium and published on Wolf.Solar. Wolf number 91 (7 groups, 21 spots). Naked-eye A number 0. Carrington rotation 2302.
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! | 0 |
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| Groups | 7 |
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| Groups North | 3 |
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| Groups South | 4 |
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| Spots | 21 |
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| Spots North | 9 |
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| Spots South | 12 |
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| Plages | 3 |
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| Q value | 18 |
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Conditions
| Seeing | 3 / 5 |
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| Cloud cover (octas) | -1 |
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Ephemerides
| Carrington rotation | 2302 |
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| L₀ | 247.67° |
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| B₀ | 7.16° |
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| P | 24.49° |
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| Declination | 1.97° |
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| Julian day | 2460936.18819 |
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