1903 April 8 meeting of the Royal Astronomical Society

1903 December 11 meeting of the Royal Astronomical Society

1903 December 16 meeting of the Royal Meteorological Society

1903 December 30 meeting of the British Astronomical Association

1903 February 13 meeting of the Royal Astronomical Society

1903 February 18 meeting of the Royal Meteorological Society

1903 February 25 meeting of the British Astronomical Association

1903 I. (Giacobini), observed at the Liverpool Observatory

1903 II. (Giacobini), observed at the Liverpool Observatory

1903 IV. (Borrelly), observed at the Liverpool Observatory

1903 January 21 meeting of the Royal Meteorological Society

1903 January 28 meeting of the British Astronomical Association

1903 January 9 meeting of the Royal Astronomical Society

1903 June 12 meeting of the Royal Astronomical Society

1903 June 17 meeting of the Royal Meteorological Society

1903 June 24 meeting of the British Astronomical Association

1903 March 13 meeting of the Royal Astronomical Society

1903 March 18 meeting of the Royal Meteorological Society

1903 March 25 meeting of the British Astronomical Association

1903 May 20 meeting of the Royal Meteorological Society