Seeing and height of the instrument above the ground

Daytime observations

Country side: ground covered by green grass, no wind.

Seeing measured at ground level and at 1 m

Mountain site: 2930 m altitude, rocky ground, no vegetation, no wind

Seeing measured simultaneously at 1 m and 1.5 m, statistics over 1 hour period of time

Mesurements: Karine Chevalier


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