Man-made Structures- Other to Explore in Armagh

Armagh Observatory is an astronomical research institute in Armagh, Northern Ireland. Around 25 astronomers are based at the observatory, studying stellar astrophysics, the Sun, Solar System astronomy and Earth's climate. A Troughton refracting telescope of 2.5 inch aperture was installed in a dome in 1795. The telescope was manufactured by J & E Troughton of London, and is noted for its late 18th century brass metal work.