Excerpt from Catalogue of 1068 "Intermediate" Stars Situated Between 51 and 65 South Declination for the Equinox 1900: From Observations Made at the Sydney Observatory, New South Wales, Australia, During the Years 1918-1919

AT the International Astrographic Congress, held in Paris in 1909, it was resolved that three lists of Stars, viz., Fundamental, Intermediate, and Reference, should be prepared, and that transit observers should be requested to make these, as far as practicable, the bases of their working catalogues. It was intended that the Intermediate and Reference Stars should be observed by differential methods, the former being used as standards for the latter, and in their turn depending upon the Fundamentals.

Meridian observations based upon this principle were commenced at the Sydney Observatory on r1th March, 1918, the first selection of stars being the list of Intermediates between 51 and 65 South declination, supplied in manuscript by the sub-committee of the Astrographic Congress; and the present. Catalogue gives the results of those observations. This list was accepted as a working catalogue, but it was found necessary, or at least advisable, to modify it to a considerable extent. I felt justified in doing this, because I believe the Sydney Observatory is the first to form a catalogue of this particular series of stars, and therefore any alterations will not affect other workers in the same field. I hope therefore that the list, as now amended, will be generally accepted.

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