
That each of them became stationary, or was farthest North or South, when they passed over my Zenith at six of the Clock, either in the Morning or Evening. I perceived likewise, that whatever Situation the Stars were in with respect to the cardinal Points of the Ecliptick, the apparent Motion of every one tended the same Way, when they passed my Instrument about the same Hour of the Day or Night; for they all moved Southward, while they passed in the Day, and Northward in the Night; so that each was farthest North, when it came about Six of the Clock in the Evening, and farthest South when it came about Six in the Morning.
A Letter from the Reverend Mr. James Bradley Savilian Proffesor of Astronomy at Oxford, and F.R.S. to Dr. Edmund Halley, Astronom. Reg. &c. giving an Account of a New Discovered Motion of the Fix'd Stars. Philosophical Transactions (Jan 1, 1727) 1727-1728 No. 406. vol. XXXV. pp. 637-661 http://rstl.royalsocietypublishing.org/content/35/399-406/637.full.pdf+html.