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Observation solaire du 20 avril 2023 à Nexon
Whitelight — April 20, 2023 at 10:13 AM · by isontheline · Wolf 76 · 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 20, 2023 by isontheline and published on Wolf.Solar. Wolf number 76 (5 groups, 26 spots). Naked-eye A number 1. Carrington rotation 2269. Tags: AR13279, AR13281, AR13282, AR13283, AR13284.
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 | 5 |
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| Groups North | 1 |
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| Groups South | 4 |
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| Spots | 26 |
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| Spots North | 17 |
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| Spots South | 9 |
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| Plages | 4 |
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| CV number | 84 |
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| Q value | 17 |
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Conditions
| Seeing | 1 / 5 |
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| Cloud cover (octas) | 2 |
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Ephemerides
| Carrington rotation | 2269 |
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| L₀ | 3.09° |
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| B₀ | -5.21° |
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| P | -25.61° |
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| Declination | 11.50° |
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| Julian day | 2460054.92569 |
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AR13279AR13281AR13282AR13283AR13284
Images by isontheline that day
View on Wolf.Solar ↗
Sunspots Regions
Areas Summary
Plages Summary
Number of plages: 4