British Astronomical Association

Supporting amateur astronomers since 1890

Journal of the British Astronomical Association. Vol.51 No.1

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  • 47BAA Journal Vol.51 No.1 November 1940
  • 91CONTENTS
  • 51FROM THE PRESIDENT
  • 52THE PRESIDENTIAL ADDRESS
  • 68REPORT OF the Scottish Branch
  • 69REPORT OF the Meteor Section
  • 69Giacobinid Meteors in 1940
  • 70PAPERS COMMUNICATED TO THE ASSOCIATION
  • 70The Quadrantid Meteor Shower; Epoch of Maximum
  • 73Solar Activity during the Third Quarter of 1940: Synodic Rotations Nos. 1161, 1162 and 1163
  • 77COMMUNICATION TO THE ASSOCIATION
  • 77A Puzzle
  • 77ASTRONOMICAL DIARY
  • 79REVIEW
  • 79The Pinpoint Planetarium." By Armand Spitz
  • 79NOTES
  • 79Comet Notes
  • 80Mars in 1939
  • 82The Period-Luminosity Curve
  • 83Spectral Changes of Cepheid Variables
  • 83Satellite Meteorites
  • 84Panchromatic Meteor and Star Trails
  • 86New Members of the Association Elected 1940 December
  • 90FIFTY-FIRST SESSION, 1940-41 OFFICERS AND COUNCIL
  • 91CONTENTS
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