Purple Mountain Observatory , also known as Zijinshan Astronomical Observatory, is an astronomical observatory located on the Purple Mountain in Nanjing, China.
The observatory discovered the periodic comets 60P/Tsuchinshan and 62P/Tsuchinshan, and also the non-periodic C/1977 V1 (Tsuchinshan), also known as Comet 1977 X.
Purple Mountain Observatory
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By kjfitz @ 2010-10-26 09:05:06
Anonymous
@ 2010-10-26 16:01:00
This is also the observatory that has claimed to have over 40mins of film of a UFO and that we are being visited.