Sir W. Herschel's Observations and Writings

Will you permit me to propose the following Queries in your excellent paper. 1. I have a note to the following effect, but it is without date or reference. The late Sir W. Herschel, during an examination of the heavens in which he was observing stars that have a proper motion, saw one of the 7.8 magnitude near the 17th star 12 hour of Piazzi's Catalogue, and noted the approximate distance between them; on the third night after, he saw it again, when it had advanced a good deal, having gone farther to the eastward, and towards the equator. Bad weather, and the advancing twilight, prevented Sir…