1979 10 01: J1 occulte J2 Meudon observatory (France) 83cm refractor altitude 180m lat=48d48'17.5"N lon=2d13'51.8"E good atmospheric conditions Jupiter low above the horizon photographic film Ilford 550nm column 1: minutes from 4h UT column 2: flux sat J1 + sat J2 (100=before the event) 20.7015 100 21.2985 90 22.1343 61 22.4328 44 22.791 43 23.5074 37 24.4029 40 24.582 57 25.2387 74 25.776 61 26.373 99 26.6118 104 26.97 106 27.2088 108 27.567 90 27.8058 95 28.2834 102 28.4625 92 28.8804 97 29.0595 93