Letter, from Thomas Maclear to Sir John Herschel, dated at Royal Observatory, Cape of Good Hope Autograph letter signed by sender. John Frederick William Herschel cannot lay on too much of this kind of work, the closer in AR [Right Ascension] the better. Comments on the list of stars. The comet should be preceded by certain stars, some of which he cannot identify. If John Frederick William Herschel cannot see the comet for the trees come to the Observatory. December 1835