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HARP6433 promoted AR12845, AR12842 always here
Whitelight — July 18, 2021 at 11:20 AM · by isontheline · Wolf 25 · 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 July 18, 2021 by isontheline and published on Wolf.Solar. Wolf number 25 (2 groups, 5 spots). Naked-eye A number 0. Carrington rotation 2246. Tags: AR12842, AR12845, HARP6421, HARP6433.
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 | 2 |
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| Groups North | 1 |
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| Groups South | 1 |
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| Spots | 5 |
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| Spots North | 3 |
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| Spots South | 2 |
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| Plages | 1 |
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| CV number | 22 |
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| Q value | 6 |
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Conditions
| Seeing | 3 / 5 |
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| Cloud cover (octas) | 1 |
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Ephemerides
| Carrington rotation | 2246 |
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| L₀ | 180.17° |
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| B₀ | 4.65° |
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| P | 5.22° |
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| Declination | 20.94° |
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| Julian day | 2459413.97222 |
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AR12842AR12845HARP6421HARP6433
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