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Astrometry
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Observation notes on the approximate positions of stars, reduced in the madras zones between 1825-1867
IND-IIA-F002-I32 · Unidad documental simple · 1825
Parte de Observation note on Madras equatorial observations on stars, minor planets, and satellites

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.

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Observation notes on the approximate positions of stars, reduced between 1825 and 1868
IND-IIA-F002-I31 · Unidad documental simple · 1825
Parte de Observation note on Madras equatorial observations on stars, minor planets, and satellites

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.

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Letter from S. M. Sulaiman to John Evershed on discussion on his formula
IND-IIA-F001-I69 · Unidad documental simple · 14-07-1937
Parte de Official and personal files of John Evershed with other Directors, famous astronomers and global institutes

The letter discusses on comparison on graphs that gives the difference between the shift of line at the various points, and the shift at the centre to be compared with his formula. At the backside of this letter S. M. Sulaiman's handwritten explained the formula.

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