This item was about the hand-colored picture of the Sun, as observed by N.R. Pogson at Masulipatnam with the Smythian five-foot Telescope from the Hartwell observatory, which has a power of 52. In the picture, Pogson has made two sketches of the solar eclipse, explaining how the Sun was seen immediately after the disappearance and how it was seen immediately before the reappearance.
Pogson, Norman RobertAndhra Pradesh (India)
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IND-IIA-F014-I03
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Item
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1868-08-18
Part of Photographs of "More than a Century of Eclipse Expeditions 1868-2006 for which IIA participated."
IND-IIA-F014-I02
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Item
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1868-08-18
Part of Photographs of "More than a Century of Eclipse Expeditions 1868-2006 for which IIA participated."
This item was about the measurements of spectrum and solar spots. It is divided into two parts. The first part describes the scale division of the spectroscope micrometer that defines the bright lines observed in the spectrum of the southeast by east prominence and the ordinary lines in the solar spectrum that were measured before and after the eclipse. The second part includes a sketch depicting the principal solar spots measured at Masulipatnam on August 18, 1868. The sketch shows four spots: A, B, C, and D.
Pogson, Norman Robert