Armagh Observatory is a historic astronomical research institution located in Armagh, Northern Ireland. Founded in 1790, it is one of the oldest observatories in the UK and has played a significant role in the development of astronomy. The observatory is known for its extensive collection of astronomical instruments and its contributions to the study of celestial bodies. The observatory is part of the Armagh Observatory and Planetarium complex, which also includes a planetarium that offers educational programs about space and astronomy. Researchers at the observatory focus on various fields, including astrophysics and space weather, contributing valuable data to the global scientific community.