The item comprises of observations made as Madras equatorial Observations of minor planet Polyhymnia of its observations taken on April 1867 by N.R. Pogson. Polyhymnia (minor planet designation: 33 Polyhymnia) is a main belt asteroid that was discovered by French astronomer Jean Chacornac on October 28, 1854.

The item comprises of observations made as Madras equatorial Observations of Undine of its discovery and observations taken at different intervals of October by N.R.Pogson.

The item comprises of observations made as Madras equatorial Observations of Melete of its discovery and observations taken by N.R.Pogson.

The item comprises of observations made as Madras equatorial Observations of minor planet Camilia of its discovery and observation taken at several periods of time by N.R. Pogson.

The item comprises of observations made as Madras equatorial Observations of minor planet Thyra of its discovery and observation staken at several periods of time by N.R. Pogson.

The item comprises observations made as Madras Equatorial Observations of Comet Biela; its observations were taken in December 1872 by N.R. Pogson. Comet Biela (official designation: 3D/Biela) was a periodic Jupiter-family comet first recorded in 1772 by Montaigne and Messier and finally identified as periodic in 1826 by Wilhelm von Biela.

The item comprises of observations made as Madras equatorial Observations of minor planet Iphigenia of its discovery and observation staken at several periods of time by N.R. Pogson.

The item comprises of observations made as Madras equatorial Observations of minor planet Julia of its discovery and observation staken at several periods of time by N.R. Pogson.

The item comprises of observations made as Madras equatorial Observations of minor planet Aegle of its discovery and observation staken at several periods of time by N.R. Pogson.

The item comprises of observations made as Madras equatorial Observations of minor planet Danoe of its discovery and observation staken at several periods of time by N.R. Pogson.