Observation 27.04.2007 · Istanbul University Observatory Solar Observations

Daily Sunspot Evaluation

Observation Details Friday, 27 April 2007

No: 78
Date: 2007 / 04 / 27,281
Time: 06:45 UT
Seeing: 3 / 5
Number of groups (g): 1
Number of spots (f): 8
Relative number (R): 18
L_f: 3
P₀: -24.81°
B₀: -4.57°
L₀: 6.22°
Observer: Mevlana BAşAL

Remarks: Seyrek parçalı bulutlu, Görüntü titremeli.

27.04.2007 photosphere drawing

Sunspot groups

No	Group (class – spots)	B	Δ L	L	Δ L_f	U	NOAA
1	Hk_ – 8	-10	59E	307	56E	05

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