Observation 22.07.2016 · Istanbul University Observatory Solar Observations

Daily Sunspot Evaluation

Observation Details Friday, 22 July 2016

No: 17816
Date: 2016 / 07 / 22,323
Time: 07:45 UT
Seeing: 3 / 5
Number of groups (g): 3
Number of spots (f): 28
Relative number (R): 58
L_f: 2
P₀: 6.97°
B₀: 5.02°
L₀: 110.16°
Observer: Korhan YELKENCİ

Remarks: Kenar Titremesi

22.07.2016 photosphere drawing

Sunspot groups

No	Group (class – spots)	B	Δ L	L	Δ L_f	U	NOAA
1	HK_ – 5	4	64W	174	66W	3.4
2	DAI – 21	5	55W	165	57W	9.4
3	CRO – 2	18	14W	124	16W	6.4

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