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Relevé Lumière Blanche du 2021-04-23 10:30:00 UTC

Whitelight — April 23, 2021 at 10:30 AM · by isontheline · Wolf 27 · 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 April 23, 2021 by isontheline and published on Wolf.Solar. Wolf number 27 (2 groups, 7 spots). Naked-eye A number 0. Carrington rotation 2243. Tags: AR12816, AR12818, HARP6309, HARP6314.

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
Groups2
Groups North0
Groups South2
Spots7
Spots North0
Spots South7
Plages0
CV number15
Q value6

Conditions

Seeing3 / 5
Cloud cover (octas)0

Ephemerides

Carrington rotation2243
L₀238.41°
B₀-4.90°
P-25.23°
Declination12.68°
Julian day2459327.93750

That day in the community

Daily mean Wolf number27
Observations1
CR2243
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Comments

Activité solaire du jour :

  • Groupe AR12816 / HARP6309 de classe Cro
  • Groupe AR12818 / HARP6314 de classe Hsx

Classification

GroupeTypeQCV
AR12816 / HARP6309Cro35
AR12818 / HARP6314Hsx310
Total Q / CV-615

AR12816AR12818HARP6309HARP6314

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