N. R. Pogson, Date of Birth, Place of Birth, Date of Death

N. R. Pogson

British astronomer

Date of Birth: 23-Mar-1829

Place of Birth: Nottingham, England, United Kingdom

Date of Death: 23-Jun-1891

Profession: astronomer

Zodiac Sign: Aries

Norman Robert Pogson, CIE (23 March 1829 – 23 June 1891) was an English astronomer who worked in India at the Madras observatory.
He discovered several minor planets and made observations on comets.
He introduced a mathematical scale of stellar magnitudes with the ratio of two successive magnitudes being the fifth root of one hundred (~2.512) and referred to as Pogson's ratio.