Observation 05.07.2011 · Istanbul University Observatory Solar Observations

Daily Sunspot Evaluation

Observation Details Tuesday, 5 July 2011

No: 16250
Date: 2011 / 07 / 05,278
Time: 06:40 UT
Seeing: 3 / 5
Number of groups (g): 2
Number of spots (f): 21
Relative number (R): 41
L_f: 3
P₀: -0.92°
B₀: 3.29°
L₀: 329.95°
Observer: B.COŞKUNOĞLU+A.G.

05.07.2011 photosphere drawing

Sunspot groups

No	Group (class – spots)	B	Δ L	L	Δ L_f	U	NOAA
1	DAO – 7	15	55W	25	58W	5.7
2	CSI – 14	16	20W	350	23W	10.7

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