The item comprises observations notes of the opposition of Mars taken from Madras Observatory by N. R.Pogson from September 22 to October 28 of 1862.

The note contains an observation of the zodiacal light done by A. A Narayana Ayyar from Solar Physics Observatory, Kodaikanal, in 1916. A. A. Narayana Ayyar was the third Assistant at Kodaikanal Solar Physics Observatory. The observations were tabulated under the headings of date, time, stars on the brightest part of the zodiac, and remarks. Comments were recorded from January 23rd to February 2nd, 1916.

The observation note of Madras Equatorial observations on partial solar eclipse, lunar eclipse, occultation of planets and other astronomical objects. This fond significantly describes the disvoery of several planets, their regular activities, and changes and various astronomical phenomena. From these observations several detections were acrried out through screw detection techniques, interval analysis, and finding mean postitions of various stars.

The item contains observation notes of the comet Tempel on 21 and 22 August 1862. Tempel 1 is a Jupiter-family comet.

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

The item contains Madras equatorial observations of the moon's total eclipse that occurred from 1866 to 1888. N. R Pogson recorded these observations from Madras Observatory.

The item contains Madras equatorial observations of the occultation of the planet Saturn that occurred on 2 April 1866 by N. R. Pogson.

The item contains Madras equatorial observations of the moon's partial eclipse that occurred on the dates 01 May 1874recorded by N. R Pogson from Madras Observatory.

The item comprises observations made as Madras Equatorial Observations of an unknown Comet; its observations were taken on 22 January 1884 by N.R. Pogson.

The item comprises observations made as Madras Equatorial Observations of the 1882 comet; its observations were taken from September to November 1882 by N.R. Pogson. The Great Comet of 1882, formally designated C/1882 R1, 1882 II, and 1882b, was a comet that became very bright in September 1882.