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Relevé Lumière Blanche du 2023-04-18 08:30 UTC
Whitelight — April 18, 2023 at 08:30 AM · by astrololo31 · Wolf 147 · 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 18, 2023 by astrololo31 and published on Wolf.Solar. Wolf number 147 (9 groups, 57 spots). Naked-eye A number 1. Carrington rotation 2269.
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 | 9 |
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| Groups North | 2 |
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| Groups South | 7 |
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| Spots | 57 |
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| Spots North | 16 |
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| Spots South | 41 |
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| Plages | 5 |
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| Q value | 25 |
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Conditions
| Seeing | 2 / 5 |
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| Cloud cover (octas) | 0 |
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Ephemerides
| Carrington rotation | 2269 |
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| L₀ | 30.44° |
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| B₀ | -5.38° |
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| P | -25.80° |
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| Declination | 10.78° |
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| Julian day | 2460052.85417 |
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