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AR12907 update from Bxi to Dki, AR12906 Bxi to Axx
Whitelight — December 18, 2021 at 11:21 AM · by isontheline · Wolf 73 · 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 December 18, 2021 by isontheline and published on Wolf.Solar. Wolf number 73 (5 groups, 23 spots). Naked-eye A number 0. Carrington rotation 2252. Tags: AR12906, AR12907, AR12908, AR12909, AR12911, HARP6653, HARP6655, HARP6661.
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 | 5 |
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| Groups North | 1 |
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| Groups South | 4 |
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| Spots | 23 |
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| Spots North | 3 |
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| Spots South | 20 |
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| Plages | 1 |
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| CV number | 120 |
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| Q value | 16 |
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Conditions
| Seeing | 3 / 5 |
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| Cloud cover (octas) | 0 |
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Ephemerides
| Carrington rotation | 2252 |
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| L₀ | 320.78° |
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| B₀ | -1.34° |
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| P | 8.53° |
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| Declination | -23.40° |
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| Julian day | 2459566.97292 |
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AR12906AR12907AR12908AR12909AR12911HARP6653HARP6655HARP6661
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