British Astronomical Association

Supporting amateur astronomers since 1890

Journal of the British Astronomical Association. Vol.91 Iss.4

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  • -4Front cover
  • 105CONTENTS
  • 4ORDINARY MEETING OF THE ASSOCIATION 1981-02-25
  • 10ORDINARY MEETING OF THE ASSOCIATION 1981-03-25
  • 14STABILITY OF THE SOLAR SYSTEM
  • 32SOLAR 'CONSTANT' AND THE SUN'S DIAMETER
  • 40DESIGN OF LARGE ASTRONOMICAL TELESCOPES
  • 44THE NEED FOR MORE TOTAL ECLIPSE TIMINGS
  • 49PERSEID METEOR STREAM
  • 72HINDLE MIRROR-GRINDING MACHINE
  • 77ELEMENTARY ORBIT ADJUSTMENT TECHNIQUE
  • 81HERSCHEL MUSEUM IN BATH
  • 84LETTERS TO THE EDITOR
  • 89REVIEWS
  • 96NEW MEMBERS
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