The position of the Sun and the shape of the Earth

Observed Data for 15.56 UT

(Some noon data and self determined geographical positions can be found in our noon measurements page.)

Filename	Observer	Location	geogr. latitude in degrees	geogr. longitude in degrees	Distance Sub-Solar	A	h	Re
	Martin Brodicky	Hoeflein Austria	48	16.272	7873	84.4	20.9	6528.1 km
	TWG-Dillingen	Dillingen,Saar Deutschland	49	67.266	7195	81	25.5	6391.4 km
	Lora Mohamed Abed Al-Wahab	NAO, Silistra, Bulgaria	44.1	27.26	8739	-86.6	10.7	6314.1 km
	Anne Hager	Halde Hoheward, Germany	5	71.699	7544	80.1	24.5	6599.1 km
	Errol Rickman	Kingston, Jamaica	18	-76.47	1932	100	71.45	5967.4 km
	Instituto Ballester	Buenos Aires	-34.53	-58.55	5295	179.3	42.7	6414.0 km
	University of Essen, Germany	Essen, Germany	52	7	7269	79.31	24.8	6387.8 km
	Carol I National College	Craiowa, Romania	44	23.783	8458	92.31	14.65	6431.4 km
	Julia Emilova	NAO, Silistra, Bulgaria	44.1	27.26	8739	-86.7	10.7	6314.1 km
	Margarita Boteva	EG, Silistra, Bulgaria	44.1	27.26	8739	-86.5	10.7	6314.1 km
	Nelly Ivanova	NAO, Silistra, Bulgaria	44.1	27.26	8739	-88.1	11.2	6354.2 km
	TWG-Dillingen	Dillingen,Saar Deutschland	49	67.266	7195	80	25.75	6416.2 km
	TWG-Dillingen	Dillingen,Saar Deutschland	49	67.266	7195	80	25.7	6411.2 km
	TWG-Dillingen	Dillingen,Saar Deutschland	49	67.266	7195	80.6	24.9	6332.5 km

Note: The values of the Earth`s radius have been calculated automatically using the respective distances dss to the sub-solar point.
The equation used is: Re = dss / (90°-h) * 180°/π

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Udo Backhaus

last change:  last update: 2020-03-07