THE OBSERVER’S HANDBOOK for 1967 is the 59th edition. The times of sunrise and sunset, and of twilight, are again the values for the current year. The tables of star clusters and galaxies have been revised and expanded.

Cordial thanks are offered to all individuals who assisted in the preparation of this edition, to those whose names appear in the various sections and to Barbara Gaizauskas, Helen Sawyer Hogg, Joan Hube, Adriana Huyer, Albert Semelman, William Sherwood, Maude Town, Isabel Williamson, and Dorothy Yane. Special thanks are extended to Margaret W. Mayall, Director of the A.A.V.S.O., for the predictions of Algol and the variable stars and to Gordon E. Taylor and the British Astronomical Association for the prediction of planetary appulses and occultations.

My deep indebtedness to the British Nautical Almanac Office and to the American Ephemeris is gratefully acknowledged.

Ruth J. Northcott