Observation 18.04.2016 · Istanbul University Observatory Solar Observations

Daily Sunspot Evaluation

Observation Details Monday, 18 April 2016

No: 17724
Date: 2016 / 04 / 18,274
Time: 06:35 UT
Seeing: 3 / 5
Number of groups (g): 3
Number of spots (f): 22
Relative number (R): 52
L_f: 3
P₀: -25.75°
B₀: -5.32°
L₀: 287.56°
Observer: Talar YONTAN

Remarks: Görüntü Titremesi

18.04.2016 photosphere drawing

Sunspot groups

No	Group (class – spots)	B	Δ L	L	Δ L_f	U	NOAA
1	CHI – 11	9	55W	343	58W	14.1
2	AX_ – 1	8	23E	264	20E	-
3	CSI – 10	5	48E	239	45E	9.0

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