Observation Session – 20 December 2008

Location: Auvergne volcanic plateau, France

Session duration: 2 nights

Sky conditions: Clear sky, low humidity, seeing ~7/10

Instruments:

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

Targets:

  • Jupiter
  • M33 (Triangulum Galaxy)
  • M31 (Andromeda Galaxy)
  • Albireo

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, Lucille Godefert, Ayoub Berrabeh, Maxime Dallois, Sophie Martin, Lina Chevalier