This item was about the observations of great September comet of 1882 made on 11th September 1882. Observed from Madras Observatory by N. R. Pogson.

The book "Numerical Lunar Theory" was written by ?Sir George Biddell Airy. It was published in ?1886. The book focuses on lunar theory, specifically the mathematical and numerical calculations involved in understanding the ?moon's motion and its relationship with the Earth and other celestial bodies. It covers gravitational forces, orbital calculations, and the effects of perturbations on the moon's motion. It was 178 pages long.

This item was about the photo of N.R. Pogson and his first wife, Elizabeth Jane Pogson. It is a black and white picture in which both stood near a table. Mr.Pogson was well dressed, and Mrs. Pogson wore a white gown with a coloured scarf.

The fond contains newspaper clippings related to Kalki from 1987-08-10 to 1988-03-19

The fond contains newspaper clippings related to IIA Field Stations from 1972-07-10 to 1978-04-14

This item was about Suri Bhagavantam, who took over as scientific advisor to the Defence minister and Director General of DRDO in July 1961. he played a pivotal role in building up laboratories and advancement in research the land, war, and Air defence. It also speaks on his education, inspiration and achievements in physics. He has also written hundreds of research papers and is an erudite scholar in Sanskrit and Telugu.

This item was about a supernova, an awesome explosion of a star, which occurred 186,000 years ago, was sighted by scientists from kavalur observatory. It is significant in that this is the first time it is known to have occurred in the large magellanic cloud.

The item was about the IIA astronomers detected an expanding disc or a shell of gas around the supernova 1987A in the large Magellanic cloud with a velocity of 650km per second.

The item was about the rich collection of books and other valuable records of M. K. Vainu Bappu, who wrote Letter to his wife to donate to the scientific library, Indian Institute of Astrophysics. It also speaks that the country is proud of M. K. Vainu Bappu's achievements.

The item was about M. K. Vainu Bappu's death that reported at Munich hospital, where he underwent a major bypass heart surgery. His condition became serious following kidney failure. It also reiterates M. K. Vainu Bappu's achievement not only from his own country but also from international astronomical fraternity.