From January 14th 2012 to 2013 a camera attached to the ship Roi des Belges, atop the Southbank Centre in London, made observations every 15-30 minutes. These images consist of those observations, spliced together to form a record of every day.
To select a group of observations, select the date, start time, and duration at the top right of the page, and press 'Go'.
The speed at which they are drawn depends on your local position and network weather. Hover over any image to find out more, or click to open it in a new window.