1909 April 28 meeting of the British Astronomical Association

1909 April 7 meeting of the Royal Astronomical Society

1909 December 10 meeting of the Royal Astronomical Society

1909 December 15 meeting of the Royal Meteorological Society

1909 December 29 meeting of the British Astronomical Association

1909 February 12 meeting of the Royal Astronomical Society

1909 February 17 meeting of the Royal Meteorological Society

1909 February 24 meeting of the British Astronomical Association

1909 IV. (Daniel), Observed at the Royal Observatory, Greenwich

1909 IV. (Daniel), Photographic and visual observations made at the Radcliffe Observatory, Oxford

1909 January 20 meeting of the Royal Meteorological Society

1909 January 27 meeting of the British Astronomical Association

1909 January 8 meeting of the Royal Astronomical Society

1909 July 7 meeting of the British Astronomical Association

1909 June 11 meeting of the Royal Astronomical Society

1909 June 16 meeting of the Royal Meteorological Society

1909 March 12 meeting of the Royal Astronomical Society

1909 March 17 meeting of the Royal Meteorological Society

1909 March 31 meeting of the British Astronomical Association

1909 May 14 meeting of the Royal Astronomical Society