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Content Listed by Topic

The content of the NSO website is categorised according to a number of "keywords". This is to help you find content that is useful to you. By clicking on a keyword below you will be taken to a list of activities that are associated with that keyword. The number in ( brackets ) indicates how many items of content are available within each category. To perform a custom search, click here.

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Please note that over the weekend of the 26-28th May 2017 we will be switching over to our brand new website - during this time there may be periods where the site is difficult to access, and users will be unable to request observations from the telescope. Please bear with us during this time. All should be back up and running by the 29th May 2017.