Northern Circumpolar Stars

In 40 degrees N and higher latitude, these stars can be seen year round. The major constellations are Camelopardalis, Cassiopeia, Cepheus, Draco Lacerta, Lynx, Perseus, Ursa Major and Ursa Minor. These are all centered around one star Polaris (The North Star). Since these stars rotate around Polaris they make the iconic pinwheel photo during a long exposure (fig.a). The map is shown in fig. b.
Image result for northern circumpolar constellations
fig. a

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