Observatory Science Centre

Thompson 26" refractor, Dome E
Thompson 26″ refractor
The Observatory Science Centre occupies part of the site of the former Greenwich Obeservatory at Herstmonceux. It includes the six domes and other buildings of the ‘Equatorial Group’. The prime purpose of the site is as a science centre for schoolchildren but, with six large historic telescopes in the domes, the site is obviously also of interest to adults with an interest in astronomy.
The empty dome of the 98-inch Isaac Newton telescope is nearby but not open to the public.
As well as the six domes and ancillary buildings, the site has various indoor and open-air science exhibits including the actual original 98″ mirror of the Isaac Newton telescope, a granite ball supported by water pressure, the aluminising tank, sound dishes, water park, and Discovery Park. See also the ‘Domes of Discovery’ exhibition in Dome F.
This is clearly a good place to bring an inquisitive child. It should be of interest to adults too.
It may not be immediately obvious from the publicity what telescopes you can see when. You can visit three of the domes (B,E,F) in the course of a day visit. There may be guided tours on the day of your visit, to two of these.
On an open evening, all six domes are open and (weather permitting) you have a chance to look through three of the historic telescopes including the 10 inch in dome D not exhibited during the day. There are around two open evenings a month. The site will be very dark, so bring a red-light torch with you.

You are advised not to use postcode navigation to find the site. Instead, navigate to Wartling Road, Wartling or to Bradley Road, Herstmonceux. The only public entrance to the site is off the Wartling Road, which runs north from the A27 at Pevensey. Parking for the Centre is at Wartling Road adjacent to the entrance. Herstmonceux Castle is on the same estate (same entrance). If you want to visit the castle grounds and gardens, I suggest parking at the castle which will involve slightly less walking, and purchasing a joint ticket at the castle ticket hut opposite the Science Centre.

Thompson 26" Refractor, Dome E
Thompson 26″ Refractor
Yapp 36" Reflector, Dome B
Yapp 36″ Reflector
Yapp 36" Reflector, Dome B
Yapp 36″ Reflector
Yapp 36" Reflector, Dome B
Yapp 36″ Reflector

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