Timeline for the launch of Britain’s first space mission from the Spaceport at Cornwall Airport, Newquay, on Monday January 9:

21.00 to 22.45: Cosmic Girl, the repurposed 747 which will carry the rocket containing the satellites, is expected to take off.

22.54 to 23.54: The rocket, LauncherOne, will be released off the coast of Ireland.

Midnight to 0100: Cosmic Girl will return to the spaceport.

01.15 to 01.30: The Launcher One rocket will launch the satellites.