Armagh Planetarium
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Armagh Planetarium is a planetarium in Armagh, Northern Ireland. It is located close to the city centre and neighbouring Armagh Observatory in approximately fourteen acres of landscaped grounds known as the Armagh Astropark.
History
[edit]Armagh Planetarium was established by the seventh director of Armagh Observatory, Dr. Eric Mervyn Lindsay, who, after twenty-five years of effort, secured funding from local councils and the Ministry of Commerce of Northern Ireland in 1965. In the same year, Patrick Moore was appointed as director of the planetarium to oversee its construction. The planetarium cost £120,000 to build (included in this was £12,000 for the planetarium’s first projector) and was officially opened on 1 May 1968, although it had been open to the public for some months before that. Since then it has undergone a number of alterations: the main building was extended in 1974 to incorporate the Lindsay Hall of astronomy, and a dome was created to house a 16" (400 mm) reflecting telescope for public use, currently the largest public telescope in Ireland.[citation needed] In addition, in 1994 a new exhibition hall, the Eartharium, was added due to increased interest in Earth Science.[citation needed] The Armagh Astropark, which opened in 1994, is a scale model of the solar system and the universe contained in the grounds of the Armagh Observatory, with scale-sized stainless steel models of the Sun and planets.[citation needed]
The planetarium, which was founded in 1968, it celebrated its 50th anniversary in 2018.[1]
Technology
[edit]
Under the directorship of Terence Murtagh in the 1970s, Armagh Planetarium introduced several new technologies. Murtagh recognised the possibility of exploiting the new technology of video projectors to provide the show's special effects, eliminating entirely the need for dozens of slide projectors.[citation needed] Video tape recorders were new and rare at this time and this research was ambitious with many technical hurdles standing in the way.[original research?] Off-the-shelf video projectors had to be optically and electronically modified to present natural-looking images of celestial bodies on the dome. The system he introduced remained in place until computer controlled laserdisc players replaced the videotape players in the 1980s. This development meant that Armagh Planetarium was the first planetarium in the world to project video on its dome. Other planetaria around the world followed this lead.[citation needed]
Armagh Planetarium also pioneered the introduction of an electronic audience participation system.[citation needed] This allowed the audience to control the show themselves. Each seat was fitted with a small keypad, using this device the audience could use their buttons to respond to multiple-choice quizzes in the show, be polled on their preferences and even steer the direction of the show by selecting the topics. Space Odyssey, created in Armagh in the 1980s and scripted by Ian Ridpath, was the world’s first ever completely interactive planetarium show.[citation needed] This innovation has also since spread to other planetaria.[citation needed]
Refurbishment
[edit]Before reopening on 31 July 2006, Armagh Planetarium underwent a major refurbishment. The building was totally refurbished to make it "more comfortable and environmentally friendly".[citation needed] These improvements saw the complete rebuilding of the digital theatre to accommodate 93 visitors and the installation of a new Bose Corporation stereo sound system, an updated LED lighting suite and a Digistar 3 fulldome video projection system.[citation needed]
Armagh Planetarium maintains an outreach programme. Planetarium staff travel to venues such as schools and science festivals to deliver presentations on astronomy and other sciences. A thirty-seat inflatable planetarium is used for most of these visits.
On 7 December 2006, the Armagh Planetarium building was dedicated to the memory of Eric Lindsay in a ceremony led by Archbishop Robin Eames.[citation needed]
Projectors
[edit]Armagh Planetarium has used a series of projectors of increasing sophistication and capability.[tone] The first projector was the Goto Mars (1968–1977).[citation needed] It included individual lamps to project images of the Sun, Moon and planets. This was followed by a Viewlex-Minolta Roman IIb (1977–1994), which is still in use in its current home at South Downs Planetarium in England. The first digital projector installed in Armagh was an Evans and Sutherland Digistar 1 (1994–1995). Armagh was the first planetarium in the UK to use this new technology but it was soon replaced by the more advanced Digistar 2 (1995–2006). The latest Digistar 7 is a "state-of-the-art" computer system projecting full-colour fulldome video across the entire dome.[citation needed]
List of directors
[edit]| Patrick Moore | 1965–1968 |
| Thomas Rackham[2] | 1968–1971 |
| Terence Murtagh | 1971–1989 |
| Ian Griffin | 1990–1995 |
| Tom Mason | 1996–2015 |
| Michael G. Burton[3] | 2016 – |
See also
[edit]References
[edit]- ^ "Armagh Planetarium marks 50th anniversary". irishnews.com. 3 May 2018. Archived from the original on 3 May 2018.
- ^ "Obituaries: Thomas Rackham 1919–2001". Astronomy & Geophysics. Oxford University Press. December 2001. doi:10.1046/j.1468-4004.2001.42635.x.
- ^ "Armagh Planetarium Welcomes New Director". armaghplanet.com (Press release). Armagh Planetarium. 1 August 2016. Archived from the original on 28 June 2019. Retrieved 27 January 2021.
External links
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