Observation Session – 18 July 2009

Location: Parc naturel du Vercors, France

Session duration: 2 nights

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

Instruments:

  • 150mm Newtonian telescope
  • 250mm Dobsonian telescope
  • 7×50 binoculars

Targets:

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

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, Ayoub Berrabeh, Adama Traoré, Sophie Martin, Lina Chevalier