Norman Robert Pogson | |
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| Born | 23 March 1829 Nottingham, England |
| Died | 23 June 1891 (aged 62) Chennai, India |
| Nationality | English |
| Awards | Lalande Prize (1856) |
| Scientific career | |
| Fields | Astronomy |
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.[1] 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.
- ^ Vibart, Henry Meredith (1885–1900). . Dictionary of National Biography. London: Smith, Elder & Co.