Observation Session – 17 December 2011

Location: Auvergne volcanic plateau, France

Session duration: 2 nights

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

Instruments:

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

Targets:

  • Venus
  • Mars
  • Polaris
  • Jupiter

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, Maxime Dallois, Sophie Martin, Paul Garnier