Between June 1823 and February 1826 Dunlop then made 40,000 observations and catalogued some 7,385 stars, of which included 166 double stars and references to several bright deep-sky objects near the bright stars he catalogued.
在1823年6月至1826年2月，敦洛普做了40,000個觀測，並且編目了7,385顆恆星，其中包括166對雙星和註記了幾個明亮的深空天體與附近的亮星。