Observation Session – 21 November 2009

Location: Atacama Desert, Chile

Session duration: 2 nights

Sky conditions: Excellent transparency after midnight

Instruments:

  • 100mm apochromatic refractor
  • 80mm refractor
  • 250mm Dobsonian telescope

Targets:

  • M42 (Orion Nebula)
  • NGC 7000 (North America Nebula)
  • Venus
  • 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: Maxime Dallois, Lucille Godefert, Adama Traoré, Claire Dumont, Marc Lefèvre

Observation Session – 07 November 2009

Location: Alpes – Col de la Bonette, France

Session duration: 2 nights

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

Instruments:

  • 7×50 binoculars
  • 300mm Dobsonian reflector
  • 200mm Newtonian reflector

Targets:

  • Polaris
  • Jupiter
  • M45 (Pleiades)
  • NGC 7000 (North America 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: Ayoub Berrabeh, Maxime Dallois, Julien Bertaud