Named to commemorate the centenary of the Royal Astronomical Society of Canada. Incorporated in 1890 under the name The Astronomical and Physical Society of Toronto, the RASC received the Royal Charter in March 1903. Its Journal has been published continuously since Volume 1 in 1907. The members of the Society have always included both professional and amateur astronomers. The masthead of the Journal reads “devoted to the advancement of astronomy and allied sciences”. (M 16247) _ _.