Observation Session – 17 January 2009

Location: Plateau de Valensole, France

Session duration: 2 nights

Sky conditions: Excellent transparency after midnight

Instruments:

  • 7×50 binoculars
  • 200mm Newtonian reflector
  • 250mm Dobsonian telescope

Targets:

  • Albireo
  • The Moon
  • M45 (Pleiades)
  • M57 (Ring Nebula)

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, Ayoub Berrabeh, Maxime Dallois, Lucille Godefert, Sophie Martin, Claire Dumont