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Relevé Lumière Blanche du 2021-04-18 09:40:00 UTC
Whitelight — April 18, 2021 at 09:40 AM · by isontheline · Wolf 15 · 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 April 18, 2021 by isontheline and published on Wolf.Solar. Wolf number 15 (1 groups, 5 spots). Naked-eye A number 0. Carrington rotation 2243. Tags: AR12816, HARP6309.
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 | 1 |
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| Groups North | 0 |
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| Groups South | 1 |
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| Spots | 5 |
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| Spots North | 0 |
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| Spots South | 5 |
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| Plages | 0 |
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| CV number | 8 |
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| Q value | 3 |
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Conditions
| Seeing | 3 / 5 |
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| Cloud cover (octas) | 2 |
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Ephemerides
| Carrington rotation | 2243 |
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| L₀ | 304.91° |
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| B₀ | -5.34° |
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| P | -25.76° |
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| Declination | 10.97° |
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| Julian day | 2459322.90278 |
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AR12816HARP6309
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