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  • Explore BCO's Universe

    Exciting interactive exhibits and activities await at BCO, from exploring space and alien lifeforms to the Castle's battlements, gunnery and rich maritime history.

    Exhibits & Tickets

  • Discover & Learn at BCO

    From school tours including castle visits as Gaeilge to workshops for all ages, a class trip to BCO educates and entertains through hands-on discovery.

    School Tours & Workshops

    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

    Earth Hour

    Saturday 30th March 2019

    Details & Booking »

    Dark Sky Week Workshops

    Monday 1st April 2019, Tuesday 2nd April, Wednesday 3rd April, Thursday 4th April, Friday 5th April

    Details & Booking »

    Junior Space Camp

    Sunday 7th April 2019

    Details & Booking »

    BCO News & Blog

    Sky Matters – March 2019

    February 22, 2019

    Sky Matters March 2019 - Sky Matters is a monthly newsletter about the night sky, published by CIT Blackrock Castle Observatory.

    Sky Matters – February 2019

    February 1, 2019

    Sky Matters February 2019 - Sky Matters is a monthly newsletter about the night sky, published by CIT Blackrock Castle Observatory.

    Sky Matters – January 2019

    January 16, 2019

    Sky Matters is a monthly Newsletter focused on Irish Astronomy. In this issue we look at the skies for January 2019, and the year ahead in space flight.

    Dr. Niall Smith, and Seán Kelly MEP, on Ireland’s Future in New Space

    December 10, 2018

    Dr Niall Smith, Head of CIT Blackrock Castle Observatory, discusses Ireland's place in the emergent New Space sector, with Seán Kelly MEP

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