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Welcome to The Observatory Science Centre

Spectacular hands-on science & discovery among the domes and telescopes of a world famous astronomical observatory.

We look forward to welcoming you soon...

Thank you for supporting us!

The Observatory Science Centre is located in Herstmonceux, East Sussex.

Find Us

  • The safety and wellbeing of visitors, employees and volunteers is our absolute priority and we request that you check all visit guidelines in advance.

    2020 was our 25th anniversary year and we are delighted to welcome you back in 2021 as we continue our celebrations ...

    PLEASE NOTE: we strongly recommend that you pre-book and on-line booking closes at 11.59 pm on the evening ahead of each visit date. If you miss the deadline you are welcome to call us on the day to see if we have 'walk-in' availability...

    Book your visit

  • James Webb Weekend

    At long last the James Webb Space Telescope is on its way to the launch pad and is due to launch in December! Join us to help celebrate this momentous occasion during our JAMES WEBB WEEKEND 4-5 December.

    What will we be doing?

    • Building and launching water rockets
    • Destination Space Science shows
    • Information boards all about the James Webb Space Telescope

    The weekend will be great fun for all the family and all the extra activities are FREE of charge with your general admission. Book online now!

    Find out more



    Parking is usually on a grass field in front of The Centre. This has become very wet and boggy and is now CLOSED. Alternative hard-standing parking is located on Wartling Road before you turn in to Herstmonceux Castle Estate where The Science Centre is located.

    Approaching fron the south (Eastbourne end): the car park is on your LEFT BEFORE the entrance.

    Approaching from the north (Herstmonceux/Battle end): the car park is on your RIGHT AFTER the entrance.

    There is just a short walk up to The Centre from the car park.

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