NEW! Herschel Key Programme Announcement of Opportunity was issued on 1 February 2007 and the GT KP phase has now been completed. The observing planning tool HSpot has now been updated for OT KP phase 1, more tools have been added and the AO documentation has been updated. The updated AO documentation and tools are available on this website (see menu on the left). The user services the HSC provides are summarised in the Services Overview page.