Welcome to Armagh Observatory and Planetarium

**The Planetarium is currently closed to the public for ongoing renovations**

A reopen date will be posted soon. Apologies for any inconvenience caused. 

Visit Us & Book Tickets

We have educational facilities for families and schools. As well as state of the art conferencing facilities for corporate bookings

Latest News

Keep up to date with all the latest news at AOP as well as exciting Blog articles from our staff on all things space and science


At AOP we carry out front-line research in several key areas of astrophysics, involving the Sun and our
Solar System, the stars and our Galaxy, and other galaxies. 


We are an educational institute as well as a Research institute. We offer A-Level Physics astronomy courses and have a number of educational resources inside and around our facilities.

History and Heritage

Armagh Observatory was opened in 1790. Armagh Planetarium was opened in 1968. We have over 300 years of combined history for you to explore!


The Armagh Observatory and Planetarium (AOP) is an exemplar for Northern Ireland on the world stage, an institution excelling in research and public outreach in science, set within a heritage environment that is rich in scientific history.  A place where the story of humanity’s ongoing quest for understanding about the cosmos can be seen and experienced.