Gives information from W. R. Hamilton on the location of the asteroid Iris. Proposes R.A.S. begin collecting observations of sunspots, the goal being a complete series of 'the sun's aspect for every day of every year.' Offers the observations of H. Griesbach for 1846 as a 'nest egg' as well as some of his own. Requests address of G. Schwinck, who prepared a star atlas. Reports on F. G. W. Struve's Neptune observations.