The item contains observation notes titled 'approximate places of star reduced to' from 1825 to 1868 by N. R. Pogson. The documents have the observation notes of minor planets: Hestia, Asia, Iris, Europa, Thalia, Alexandra etc.

The item contains observation notes titled 'Madras zone reduced to' from 1825-1867 by N. R. Pogson. The documents have the observation notes of minor planets: Hestia, Sylvia, Sappho, Camilla, Iris, Ariadne, etc.

This fond includes a comprehensive catalogue of the main fixed stars compiled at the East India Company's Observatory in Madras.