Observation 29.05.2010 · Istanbul University Observatory Solar Observations

Daily Sunspot Evaluation

Observation Details Saturday, 29 May 2010

No: 21
Date: 2010 / 05 / 29,438
Time: 10:30 UT
Seeing: 3 / 5
Number of groups (g): 2
Number of spots (f): 7
Relative number (R): 27
L_f: 1
P₀: -16.42°
B₀: -1.00°
L₀: 235.10°
Observer: Korhan YELKENCİ

29.05.2010 photosphere drawing

Sunspot groups

No	Group (class – spots)	B	Δ L	L	Δ L_f	U	NOAA
1	BXO – 4	18	50W	285	51W	2.4
2	BXO – 3	-20	06E	229	05E	2.5

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