From other Forum, quoted internet news:
SKY CHANNELS MOVED
A number of Sky channels were moved over the past few nights from Astra 2A/B to the Astra 1N pan European beam. Others appear to have been moved from Astra 2B to 2A. There are a number of reports of loss of channels in Scandinavia and the Canaries. Amongst the channels which have been affected are: Channel 5 HD, Dave HD, Watch HD, Gold Comedy Central HD, Pick TV, Pick TV+1, Sky News SD, Discovery HD, Sky Sports 3 HD, Sky Sports News HD, F1 HD, Animal Planet HD, Nat Geo HD, Eden HD, SyFy HD. ( to be updated ). Most viewers in western Europe will have noticed no change.
The reason for the move is unknown. The current speculation is that Astra 2B will be taken out of service or moved to 19º east.