Location: Arizona desert, USA

Session duration: 2 nights

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

Instruments:

• 200mm Newtonian reflector
• 100mm apochromatic refractor
• 150mm Newtonian telescope

Targets:

• Mars
• Polaris
• Albireo
• 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: Ayoub Berrabeh, Lucille Godefert, Sophie Martin, Marc Lefèvre