January, 17 2002

Archeops was flying ...

Successful launch at 11:31 UT

06:30 PM Due to a balloon problem, the flight must be interrupted. The recovery will be done tomorrow by helicopter. The instrument worked perfectly, with very clean signal at 34.5 km.

Online trajectory	Predicted trajectory	Ephemerids	Anticipated sky coverage
D day - morning	On the launchpad	The launch	After the launch

Some pictures are degraded ; a best-of with full resolution photos will be available soon.

11:10 AM The gondola is ready for take-off, correctly positionned on the launchpad.
The pivot is connected to the flight chain. Last prepation of the balloon.

11:40 AM Ballon filling started: so far, so good ...

12:31 AM Archeops launch has been sucessful.
Experiment is working fine and expecting ceiling time within 3 hours.

02:19 PM Valve gate is open, photons are collected !

03:30 PM 0.1K stage at 97 mK