Astro geolocation
53.691, -1.633
Location reference Astro Chart
Donald Harry Sadler (1908–1987) was an English astronomer and mathematician
who developed an international reputation for his work in preparing
astronomical and navigational almanacs. He worked as the
Superintendent of His Majesty's Nautical Almanac Office
from 1937 to 1971.
Location name
Dewsbury
astro_wikipedia_url
astro_wikipedia_idname
Donald_Sadler--Louis_Neel
a_location_idunic
Donald_Sadler--Louis_Neel