Observation Session – 05 December 2009

Location: Auvergne volcanic plateau, France

Session duration: 2 nights

Sky conditions: Cold and stable atmosphere, seeing ~8/10

Instruments:

  • 7×50 binoculars
  • 150mm Newtonian telescope
  • 250mm Dobsonian telescope

Targets:

  • Saturn
  • Polaris
  • Rigel
  • Mars

Observation notes:

Planetary and deep-sky observation proceeded under calm conditions, with most of the session devoted to visual comparison between the larger reflector and the refractor.

Several members made sketches in the field notebook and compared the apparent brightness of bright stars against previous entries.

Members present: Adama Traoré, Maxime Dallois, Lucille Godefert, Claire Dumont, Lina Chevalier