Observation Session – 26 April 2008

Location: Cévennes National Park, France

Session duration: 2 nights

Sky conditions: Very dark sky (Bortle 2–3), light wind

Instruments:

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

Targets:

  • Albireo
  • Venus
  • Perseus star field
  • M31 (Andromeda Galaxy)

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: Lucille Godefert, Adama Traoré, Julien Bertaud, Sophie Martin