Pulkovo meridian
The Pulkovo meridian, which passes through the center of the main building of the Pulkovo Observatory and is at 30°19′34″ east of Greenwich, was the point of departure for all former geographical maps of Russia.[1]
This meridian was used as the reference in the Russian Empire before the Prime meridian (Greenwich).
See also
References
- ^Zakatov, Petr Sergeevich (1962). A Course in Higher Geodesy: Spheroidal Geodesy and Fundamentals of Gravimetry and Practical Astronomy (2nd ed.). Israel Program for Scientific Translations. p. 343. Retrieved 5 March 2016.
59°46′18″N30°19′34″E / 59.7717°N 30.3261°E / 59.7717; 30.3261
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