Observation Session – 29 January 2011

Location: Atacama Desert, Chile

Session duration: 2 nights

Sky conditions: Excellent transparency after midnight

Instruments:

  • 300mm Dobsonian reflector
  • 150mm Newtonian telescope
  • 7×50 binoculars

Targets:

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

Observation notes:

Transparency improved after midnight and allowed longer visual work on faint deep-sky targets.

The larger telescope resolved dense clusters cleanly, while the refractor was used for wider fields and comparison views.

Members present: Adama Traoré, Lucille Godefert, Maxime Dallois, Ayoub Berrabeh, Marc Lefèvre

Observation Session – 15 January 2011

Location: Sahara – Mali desert plateau

Session duration: 2 nights

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

Instruments:

  • 300mm Dobsonian reflector
  • 100mm apochromatic refractor
  • 7×50 binoculars

Targets:

  • Perseus star field
  • The Moon
  • Jupiter
  • M45 (Pleiades)

Observation notes:

Transparency improved after midnight and allowed longer visual work on faint deep-sky targets.

The larger telescope resolved dense clusters cleanly, while the refractor was used for wider fields and comparison views.

Members present: Adama Traoré, Maxime Dallois, Lucille Godefert, Lina Chevalier

Observation Session – 01 January 2011

Location: Plateau de Valensole, France

Session duration: 2 nights

Sky conditions: Excellent transparency after midnight

Instruments:

  • 300mm Dobsonian reflector
  • 80mm refractor
  • 200mm Newtonian reflector

Targets:

  • NGC 7000 (North America Nebula)
  • Betelgeuse
  • Perseus star field
  • The Moon

Observation notes:

Transparency improved after midnight and allowed longer visual work on faint deep-sky targets.

The larger telescope resolved dense clusters cleanly, while the refractor was used for wider fields and comparison views.

Members present: Ayoub Berrabeh, Lucille Godefert, Nicolas Artaud