Observation Session – 20 June 2009

Location: Alpes – Col de la Bonette, France

Session duration: 2 nights

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

Instruments:

  • 250mm Dobsonian telescope
  • 300mm Dobsonian reflector
  • 100mm apochromatic refractor

Targets:

  • Perseus star field
  • M42 (Orion Nebula)
  • M31 (Andromeda Galaxy)
  • 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: Lucille Godefert, Maxime Dallois, Claire Dumont

Observation Session – 06 June 2009

Location: Mont Ventoux area, France

Session duration: 2 nights

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

Instruments:

  • 200mm Newtonian reflector
  • 80mm refractor
  • 100mm apochromatic refractor

Targets:

  • Albireo
  • Polaris
  • Perseus star field
  • M45 (Pleiades)

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: Maxime Dallois, Ayoub Berrabeh, Claire Dumont