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Observation solaire du 20 juillet 2023 à Nexon
Whitelight — July 20, 2023 at 10:45 AM · by isontheline · Wolf 156 · A 2 ⚠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 July 20, 2023 by isontheline and published on Wolf.Solar. Wolf number 156 (7 groups, 86 spots). Naked-eye A number 2. Carrington rotation 2273. Tags: AR13372, AR13373, AR13374, AR13376, AR13377, AR13378, AR13379.
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! | 2 |
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| Groups | 7 |
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| Groups North | 4 |
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| Groups South | 3 |
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| Spots | 86 |
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| Spots North | 68 |
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| Spots South | 18 |
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| Plages | 7 |
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| CV number | 261 |
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| Q value | 27 |
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Conditions
| Seeing | 2 / 5 |
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| Cloud cover (octas) | 1 |
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Ephemerides
| Carrington rotation | 2273 |
|---|
| L₀ | 238.93° |
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| B₀ | 4.79° |
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| P | 5.86° |
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| Declination | 20.66° |
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| Julian day | 2460145.94792 |
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AR13372AR13373AR13374AR13376AR13377AR13378AR13379
Images by isontheline that day
View on Wolf.Solar ↗
Sunspots Regions
Areas Summary
CV-Helios Network - Classification Values (CV)
Ekc Dhi Fko Axx Cri Dho Dhi
Plages Summary
Number of plages: 7