Observer's Handbook 1975

the observer’s handbook for 1975 is the sixty-seventh edition. I wish to thank all those who assisted in its preparation: those whose names appear in the various sec­ tions, those mentioned below, and especially my editorial assistant John F. A. Perkins.

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Observer's Handbook 1974

the observer’s handbook for 1974 is the sixty-sixth edition. I wish to thank all those who assisted in its preparation: those whose names appear in the various sections, and my assistant editor Marie Fidler Litchinsky. Special thanks go to Margaret W. Mayall, Director of the A.A.V.S.O., for the predictions of Algol and of the variable stars, to Leslie V. Morrison and Gordon E.

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EtU recipient

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EtU recipient

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EtU rrecipient

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Observer's Handbook 1973

the observer’s handbook for 1973 is the sixty-fifth edition. The major change in this edition is the inclusion of data on grazing occultations over Canada. These data were supplied by Mr. L. V. Morrison of the British Nautical Almanac Office.

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Observer's Handbook 1971

the observer’s handbook for 1971 is the 63rd edition. A number of small changes and additions have been made in response to suggestions from readers; further changes and additions are contemplated for the 1972 edition. Additional informa­tion about the planet Mars is included, in view of the favourable opposition which occurs in 1971.

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Bulletin 2018 Dec

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Messier Recipient

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Observer's Handbook 1970

the observer’s handbook for 1970 is the 62nd edition. The time zone map has been supplied courtesy of the Department of Energy, Mines and Resources of Canada. The sections on Nearest Stars, Galactic Nebulae and Radio Sources have been rewritten.

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