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Relevé Lumière Blanche du 2021-04-27 11:20:00 UTC

Whitelight — April 27, 2021 at 11:20 AM · by isontheline · Wolf 40 · 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 27, 2021 by isontheline and published on Wolf.Solar. Wolf number 40 (3 groups, 10 spots). Naked-eye A number 0. Carrington rotation 2243. Tags: AR12818, AR12820, AR12821, 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
Groups3
Groups North0
Groups South3
Spots10
Spots North0
Spots South10
CV number58
Q value12

Conditions

Seeing4 / 5
Cloud cover (octas)7

Ephemerides

Carrington rotation2243
L₀185.11°
B₀-4.52°
P-24.67°
Declination13.99°
Julian day2459331.97222

That day in the community

Daily mean Wolf number40
Observations1
CR2243
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Comments

Activité solaire du jour :

  • Groupe AR12818 / HARP6314 de classe Hsx
  • Groupe AR12820 / HARP6314 de classe Esi
  • Groupe AR12821 / HARP6314 de classe Dao

Classification

GroupeTypeQCV
AR12818 / HARP6314Hsx310
AR12820 / HARP6314Esi529
AR12821 / HARP6314Dao419
Total Q / CV-1258

AR12818AR12820AR12821HARP6314

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