With a constellation as the background it would be easiest to detect the day to day motion of a

Constellation you are following.

Or if you are just seeing how the seasons change the constellations then you can see that too.

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the