Observation 20.03.2019 · Istanbul University Observatory Solar Observations

Daily Sunspot Evaluation

Observation Details Wednesday, 20 March 2019

No: 18598
Date: 2019 / 03 / 20,302
Time: 07:15 UT
Seeing: 3 / 5
Number of groups (g): 2
Number of spots (f): 15
Relative number (R): 35
L_f: 3
P₀: -25.12°
B₀: -7.05°
L₀: 257.17°
Observer: Özgecan ÖNALTAŞ

Remarks: Bulutlar Arasında

20.03.2019 photosphere drawing

Sunspot groups

No	Group (class – spots)	B	Δ L	L	Δ L_f	U	NOAA
1	CSI – 9	8	24.4W	282	27.4W	3.3
2	AX_ – 6	2	01.2W	258	04.2W	1.2

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