Surveying
The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The declination of the star, is

50°
60°
80°
70°

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Surveying
Circumpolar stars

Remain always above the horizon
Rotate round the North Pole
Rotate round the celestial pole
Are seldom seen near the pole star

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