British Astronomical Association

Supporting amateur astronomers since 1890

Journal of the British Astronomical Association. Vol.81 Iss.4

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  • 76Front page Vol.81 No.4
  • 128RECENT FIREBALLS—AN INTERIM REPORT
  • 81Session 1970-1971
  • 84ORDINARY MEETING OF THE ASSOCIATION: 1971 Feb 24
  • 90ORDINARY MEETING OF THE ASSOCIATION: 1971 Mar 31
  • 93ORDINARY MEETING OF THE ASSOCIATION: 1971 Apr 28
  • 97A NEW APPROACH TO THE BUTTERFLY DIAGRAM OF SUNSPOTS
  • 104THE PLANETS AS MOLTEN SLAG/GAS SYSTEMS
  • 111WILLIAM HERSCHEL'S ASTRONOMICAL TELESCOPES
  • 119THE DISTRIBUTION OF CLOUD AND ITS EFFECT ON OBSERVING
  • 122SOME ASPECTS OF ASTRONOMICAL PHOTOGRAPHY
  • 126ENCKE'S DIVISION
  • 167CONTENTS
  • 132SOLAR SECTION
  • 130POSSIBLE OCCULTATION OF STAR BY lO (JUPITER I)
  • 138LUNAR SECTION
  • 142RADIO ASTRONOMY SECTION
  • 146ARTIFICIAL SATELLITE SECTION
  • 149ANALYSIS OF LUNAR ROCK SAMPLES AT UNIVERSITY OF LONDON
  • 146EXPLORER 43 AND ISIS 2
  • 150LETTERS TO THE EDITOR
  • 157NOTES FROM OTHER JOURNALS
  • 159BOOK REVIEWS
  • 162NEW MEMBERS ELECTED, 1971 MARCH 31
  • 163NEW MEMBERS ELECTED, 1971 APRIL 28
  • 166OFFICERS AND COUNCIL
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