As prime contractor for ASTRA 1M, Astrium is responsible for the design and build of the satellite and the supply of both the payload and the Eurostar E3000 platform. ASTRA 1M arrived at the launch site at the end of September, where its tanks were filled and the satellite was assembled in the upper stage of the launcher. Following the launch, the Astrium control center in Toulouse will take control of the satellite, position it on its operational location, before handover to SES ASTRA.
ASTRA 1M is the fifth Eurostar satellite launched this year and the 39th in orbit. It is the 14th Eurostar E3000 satellite. Eleven others are currently at various stages of production. The communications payload includes 36 high-power Ku-band transponders and three deployable antennas. The spacecraft will have a launch mass of 5,300 kg, a solar array span of 35 meters once deployed in orbit, and electrical power of 10 kW.
There is a blog that provides the minute by minute events, as well as the comraderie of the team at the site. You can see first hand at this site.

