The letter is about water vapour observations. Bappu was also asking whether the point source lamp was used. He also mentioned that he would be in Bangalore on April 27.

This letter was about spectroheliograms that Saxenas sent to him. He suggested to improve on this by another factor of 200%. He explains his idea to work on spectroheliogram.

The newspaper clipping is about the discovery of a new satellite of planet uranus by Dr. Bhattacharya and Mr. Kuppuswamy of Indian Institute of Astrophysics while working at Kavalur observatory on March 10.

The newspaper clipping is about the confirmation of the four year old disovery of rings around Uranus during the planet's occultation shadow.

The item is a graph of light curve obtained during occultation SAO 158687 by Uranus drawn between time and recorder deflection.

This CD contains 125 photos of unveiling of M. K. Vainu Bappu telescope by DCV Mallik at Kavalur, 3 prsentations, quize and 2 lecture audio file

This item was about the commissioning of aisa's largest telescope. The 230cm dimetre mirror of the gaint telescope had already been polished and despite having some import issues with a vital component, the project is on schedule and there were no hitches during the commissioning process.

The album comprises photos of the second workshop on the Vainu Bappu Telescope at Vainu Bappu Observatory, Kavalur, from 19 to 20 April 1990. Images of the discussion and participants, the outdoor and indoor views of the observatory and the staff of the VBO can be seen in the album.

This fond contains photographic plates of Comet Wilson in 1987 viewed from Kavalur using the 90" telescope under various atmospheric conditions

The item is the original tracing during occultation of SAO 158687 by Uranus on 10th March 1977