TABLE OF PERIODS WITHOUT OBSERVATIONS: EXPLANATIONS The Table is the result of the compilation of the periods of observations given by each observatory. Each line corresponds to a day. YY: Year MM: Month DD: Day in the Month DOY: Day in the Year HB and MB: hour and minutes of the beginning of the period without observation HE and ME: hour and minutes of the end of the period without observation The four columns HB, MB, HE, ME are repeated 8 times in a line. A second line could be added if necessary. Pierre Lantos, Meudon, Feb 2006.