Observation Session – 19 November 2011

Location: Plateau de Valensole, France

Session duration: 2 nights

Sky conditions: Moderate turbulence, seeing ~6/10

Instruments:

  • 80mm refractor
  • 250mm Dobsonian telescope
  • 200mm Newtonian reflector

Targets:

  • M57 (Ring Nebula)
  • Perseus star field
  • Rigel
  • Mars

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, Ayoub Berrabeh, Marc Lefèvre, Paul Garnier