Astronomy picture of the day is an excellent site by nasa, each day they post a new picture from the Hubble space telescope along with a brief explanation.
Meade has a web site that will let you see their full range of scopes and accessories.
An instruction manual is available on the LX200 telescope for anyone who would like to familiarise themselves with the telescope.
Solar system simulator is a basic programme which allows you to set the date and time and view how the solar system looks from any point.
Aberdeen Physics Extra for a range of useful links.
Here is a list of all the pages within the University of Aberdeen's Oservatory web site:
History of the Cromwell tower
Using the telescope