Observation 30.03.2017 · Istanbul University Observatory Solar Observations

Daily Sunspot Evaluation

Observation Details Thursday, 30 March 2017

No: 18007
Date: 2017 / 03 / 30,368
Time: 08:50 UT
Seeing: 3 / 5
Number of groups (g): 2
Number of spots (f): 8
Relative number (R): 28
L_f: 2
P₀: -26.07°
B₀: -6.63°
L₀: 39.54°
Observer: Seda KAPTAN

30.03.2017 photosphere drawing

Sunspot groups

No	Group (class – spots)	B	Δ L	L	Δ L_f	U	NOAA
1	DSO – 2	12	14W	54	16W	11.7
2	EKC – 6	-9	25E	15	23E	10.9

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