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Five Sunspots Groups visible, summing 94 CV-number

Whitelight — October 27, 2021 at 11:42 AM · by isontheline · Wolf 74 · 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 October 27, 2021 by isontheline and published on Wolf.Solar. Wolf number 74 (5 groups, 24 spots). Naked-eye A number 0. Carrington rotation 2250. Tags: AR12886, AR12887, AR12889, AR12890, AR12891, HARP6573, HARP6579, HARP6583.

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
Groups5
Groups North1
Groups South4
Spots24
Spots North4
Spots South20
Plages1
CV number94
Q value16

Conditions

Seeing3 / 5
Cloud cover (octas)1

Ephemerides

Carrington rotation2250
L₀286.00°
B₀4.82°
P25.13°
Declination-12.94°
Julian day2459514.98750

That day in the community

Daily mean Wolf number74
Observations1
CR2250
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Comments

GroupTypeSunspotsQ ValueCV-number
AR12886 / HARP6563Hsx1310
AR12890 / HARP6563Cro235
AR12887 / HARP6573Dhi15452
AR12889 / HARP6579Bxo222
AR12891 / HARP6583Dso4425
Total Sunspots / Q / CV-241694

AR12886AR12887AR12889AR12890AR12891HARP6573HARP6579HARP6583

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