Observation 01.07.2011 · Istanbul University Observatory Solar Observations

Daily Sunspot Evaluation

Observation Details Friday, 1 July 2011

No: 16246
Date: 2011 / 07 / 01,271
Time: 06:30 UT
Seeing: 3 / 5
Number of groups (g): 3
Number of spots (f): 29
Relative number (R): 59
L_f: 3
P₀: -2.74°
B₀: 2.85°
L₀: 22.98°
Observer: Başar COŞKUNOĞLU

Remarks: Kenar Titremesi

01.07.2011 photosphere drawing

Sunspot groups

No	Group (class – spots)	B	Δ L	L	Δ L_f	U	NOAA
1	CRI – 8	18	30W	53	33W	4.6
2	BXI – 8	15	02E	21	01W	6.3
3	CRI – 13	15	34E	349	31E	6.7

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