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AR12871 / HARP6516 evolves from Dao to Dko

Whitelight — September 22, 2021 at 10:25 AM · by isontheline · Wolf 68 · 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 22, 2021 by isontheline and published on Wolf.Solar. Wolf number 68 (5 groups, 18 spots). Naked-eye A number 0. Carrington rotation 2248. Tags: AR12871, AR12872, AR12873, AR12874, AR12875, HARP6516, HARP6517, HARP6518.

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 North2
Groups South3
Spots18
Spots North11
Spots South7
Plages2
CV number74
Q value14

Conditions

Seeing3 / 5
Cloud cover (octas)0

Ephemerides

Carrington rotation2248
L₀28.45°
B₀7.05°
P25.15°
Declination0.14°
Julian day2459479.93403

That day in the community

Daily mean Wolf number68
Observations1
CR2248
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Comments

GroupTypeSunspotsQ ValueCV-number
AR12871 / HARP6516Dko4443
AR12872 / HARP6517Cai639
AR12873 / HARP6518Dao5419
AR12874Axx111
AR12875Bxo222
Total Sunspots / Q / CV-181474

AR12871AR12872AR12873AR12874AR12875HARP6516HARP6517HARP6518

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