Observation Session – 25 October 2008

Location: Auvergne volcanic plateau, France

Session duration: 2 nights

Sky conditions: Excellent transparency after midnight

Instruments:

  • 200mm Newtonian reflector
  • 100mm apochromatic refractor
  • 250mm Dobsonian telescope

Targets:

  • Jupiter
  • Venus
  • M13 (Hercules Cluster)
  • Perseus star field

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, Sophie Martin