Journal of the British Astronomical Association. Vol.30 No.9
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- 16BAA JOURNAL VOL. 30 (XXX). NO. 9. June 1920
- 43THE CHALDAEN
- 19REPORT OF THE MEETING OF THE ASSOCIATION HELD ON WEDNESDAY, JUNE 30, 1920,
- 25MEMORANDA
- 25Saturn Section.
- 25REPORT OF THE NEW SOUTH WALES BRANCH (SYDNEY).
- 25Four Geometrical Solutions.
- 28REPORTS OF THE OBSERVING SECTIONS
- 28Aurorae and Zodiacal Light Section.
- 28Aurorae
- 28Zodiacal Light.
- 28Meteor Section.
- 30Variable Star Section.
- 30THREE IRREGULAR VARIABLES IN 1919.
- 31Comparison Stars for Nova Lyrae.
- 32Comparison Field for Nova Ophiuchi.
- 31PAPERS
- 33Photograph: FIELD OF NOVA OPHIUCHI.
- 34The Mare Imbrium.
- 35Occultations during the Lunar Eclipse 1920 October 27
- 37Photograph: PLATO AND THE ALPS.
- 38Photograph: ARCHIMEDES, ARISTELLUS AND AUTOLYCUS.
- 39Phenomena of Saturn's Satellites.
- 41CORRESPONDENCE
- 41THE RECENT OCCULTATIONS OF STARS BY JUPITER
- 41TRANSPARENCY OF SATURN'S RINGS
- 42TRANSPARENCY OF SATURN'S RINGS ii
- 43NOTES
- 49SOME LARGE-SCALE EXPERIMENTS IMITATING THE CRATERS OF THE MOON.
- 43COMET NOTES
- 18Photograph: FIELD OF NOVA AQUILAE (1918).
- 16Contents.
- 53BAKER'S SECOND-HAND CATALOGUE
- 53RELATIVE MOTIONS WITHIN THE PLANETARY NEBULAE
- 46THE NOON REFLECTOR
- 46STAR CLUSTERS AND THE STRUCTURE OF THE UNIVERSE.
- 47DIMENSIONS AND ARRANGEMENT OF THE GALACTIC SYSTEM.
- 48POLARIZATION OF RADIATION BY GRATINGS
- 48STRUCTURE OF THE BALMER SERIES OF HYDROGEN LINES.
- 49PHOTOGRAPHIC RENDERING OF TONE VALUES
- 50 THE ORBITS OF THREE SPECTROSCOPIC BINARIES
- 50THE MOTIONS IN SPACE OF SOME STARS OF HIGH RADIAL VELOCITY
- 51THE NEW SUBTERRANEAN CLOCKROOM OF THE ARGENTINE NATIONAL OBSERVATORY
- 52THE APPROACHING DISAPPEARANCE OF SATURN'S RIN
- 52FIELD OF NOVA OPHIUCHI
- 18Photograph: FIELD OF NOVA AQUILAE (1918).
- 53OCCULTATION OF A STAR BT SATURN, 1920, MAR 14
- 44CAN ATTRACTION EXPLAIN THE STRUCTURE OF COSMIC SYSTEMS ?
- 44GEOPHYSICAL DISCUSSIONS.
- 54ON THE MASSES OF THE STARS
- 54REVIEW
- 54Elgie's Weather Book for the General Reader. By Joseph H. Elgie
- 55PLATE: Fields surrounding μ. Cephei, δ Cephei, Τ Cephei, α Cassiopeias, RU (32) Cassiopeiae
- 56EDUCATION COMMITTEE
- 59OBITUARIES
- 59THE REV. P. H. KEMPTHORNE
- 60MRS. FIAMMETTA WILSON,
- 60NOTICES
- 60New Members of the Association. Elected 30th June 1920.
- 60NEW SOUTH WALES BRANCH (SYDNEY).
- 60New Members of the Association. Elected. 31st March 1920
- 60Candidates for Election as Members of the Association. 27th October 1920.
- 45CONNECTION OF TERRESTRIAL MAGNETIC VARIATIONS WITH SOLAR EMISSIONS ABSORBED IN THE EARTH'S OUTER ATMOSPHERE
- 61Suggested Formation of a Computing Section