Norman Robert Pogson

1829 – 1891

• Telegraphic determinations of the difference of longitude between Karachi, Avanashi, Roorkee, Pondicherry, Colombo, Jaffna, Muddapur and Singapore, and the Government Observatory, Madras
• Catalogue of 53 variable stars, with notes
• Results of observations of the fixed stars made with the meridian circle at the Government Observatory, Madras, in the year 1874, 1875, and 1876, under the direction of Norman Robert Pogson
• Telegraphic determinations of the difference of longitude between Karachi, Avanashi, Roorkee, Pondicherry, Colombo, Jaffina, Muddapur and Singapore, and the government observatory, Madras