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Observation solaire du 28 septembre 2023 à Nexon
Whitelight — September 28, 2023 at 11:29 AM · by isontheline · 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 28, 2023 by isontheline and published on Wolf.Solar. Wolf number 91 (7 groups, 21 spots). Naked-eye A number 0. Carrington rotation 2275. Tags: AR13435, AR13440, AR13445, AR13447, AR13448, AR13449, AR13450.
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 | 4 |
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| Groups South | 3 |
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| Spots | 21 |
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| Spots North | 8 |
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| Spots South | 13 |
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| Plages | 4 |
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| CV number | 113 |
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| Q value | 24 |
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Conditions
| Seeing | 3 / 5 |
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| Cloud cover (octas) | 1 |
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Ephemerides
| Carrington rotation | 2275 |
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| L₀ | 33.56° |
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| B₀ | 6.85° |
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| P | 25.73° |
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| Declination | -2.02° |
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| Julian day | 2460215.97847 |
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AR13435AR13440AR13445AR13447AR13448AR13449AR13450
Images by isontheline that day
View on Wolf.Solar ↗
Sunspots Regions
Areas Summary
CV-Helios Network - Classification Values (CV)
Dso Hsx Cao Hsx Hsx Dso Dso
Plages Summary
Number of plages: 4