Category:Helwan Observatory

**National Research Institute of Astronomy and Geophysics**
	research institute in Helwan, Egypt
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Instance of	research institute; astronomical observatory;
Location	Helwan, Cairo Governorate, Egypt
Inception	1840 (Bulaq); 1865 (Abbassia); 1903 (Helwan);
	official website
	29° 51′ 45″ N, 31° 20′ 30.48″ E
Authority file
	Q594282; ISNI: 000000009905739X; VIAF ID: 146943092; Library of Congress authority ID: no2005114131
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Media in category "Helwan Observatory"

The following 2 files are in this category, out of 2 total.