Ballyhoura Observatory is an astronomical observatory located in north county Cork, Ireland. It was originally constructed in 1990. It was upgraded for fully remote and robotic operation in 2016.

Currently focusing on collection of data to aid in exoplanet and variable star research.

Variable-star data submitted to AAVSO under username ODEA

Data from the observatory has been used the following publications

• The First Post-Kepler Brightness Dips of KIC 8462852
• V392 Persei: a γ-ray bright nova eruption from a known dwarf nova
• A survey for variable young stars with small telescopes: VIII – Properties of 1687 Gaia selected members in 21 nearby clusters
• A survey for variable stars with small telescopes: IX – Evolution of Spot Properties on YSOs in IC5070