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  • Closed until further notice

    In compliance with Government lockdown regulations, The Observatory will remain closed for at least the duration of the current restrictions

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  • Award Winning Research

    BCO, CAPPA and CIT behind award winning Research image

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    Featured Exhibits

    Journeys of Exploration

    Housed in an iconic Cork landmark dating back to 1582, a visit to Blackrock Castle Observatory includes entry to Journeys of Exploration.

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    Cosmos at the Castle

    Learn about the Universe, extreme life forms on Earth and life in outer space!

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    Daily Schedule

    Plan your visit with an up to date list of the times of activities, tours and events at Blackrock Castle.

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    Upcoming Events

    ESERO Ireland Primary Teacher CPD: Robot Arms 

    Wednesday 26th May 2021

    Details & Booking »

    Cork Harbour Festival

    Sunday 6th June 2021

    Details & Booking »

    BCO News & Blog

    Sky Matters – April 2021

    March 29, 2021

    Sky Matters April 2021 - Sky Matters is a monthly newsletter about the night sky, published by MTU Blackrock Castle Observatory.

    Sky Matters – March 2021

    March 2, 2021

    Sky Matters March 2021 - Sky Matters is a monthly newsletter about the night sky, published by MTU Blackrock Castle Observatory.

    Sky Matters – February 2021

    January 29, 2021 /

    Sky Matters February 2021 - Sky Matters is a monthly newsletter about the night sky, published by MTU Blackrock Castle Observatory.

    Sky Matters – January 2021

    January 7, 2021 /

    Sky Matters January 2021 - Sky Matters is a monthly newsletter about the night sky, published by CIT Blackrock Castle Observatory.

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    © MTU Blackrock Castle Observatory T/A Cosmos Education Ltd.  Registered in Ireland: Company No. 451645. Registered Charity #CHY 18134. Registered Address: MTU Blackrock Castle Observatory, Castle Road, Blackrock, Cork, Ireland T12 YW52