Observation Session – 13 December 2014

Location: Atacama Desert, Chile

Session duration: 2 nights

Sky conditions: Excellent transparency after midnight

Instruments:

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

Targets:

  • M42 (Orion Nebula)
  • M13 (Hercules Cluster)
  • Mars
  • M45 (Pleiades)

Observation notes:

The session alternated between lunar, planetary and deep-sky observation, with repeated checks against older notebook entries.

Observers noted subtle differences in contrast and brightness that led to extended discussion between sessions.

Members present: Lucille Godefert, Ayoub Berrabeh, Maxime Dallois, Sophie Martin