Star trails

Pretty much everything rises in the East and sets in the West. The stars in the Northern hemisphere appear to revolve around the North Celestial Pole(NCP) and those in the Southern hemisphere around the the South Celestial Pole(SCP).

Where the Southern hemisphere meets the northern hemisphere you get an odd effect. I’ve still to get a decent image of this, but this’ll give you a good idea of what I’m talking about.

All the stars above the back line revolve around the NCP, all the stars below the line revolve around the SCP.

Might have to try again tonight!

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