Carefully accounting for the procedure used to remove the foregrounds from the full sky map further reduces the significance of the alignment by 5%.

The angles are crucial to the understanding of the meaning of the sky map to the individual or event for which it was cast.

Many businesses have bought telescopes and sky maps, he adds, 'to help their guests make the most of our wonderful, sparkly skies'.

Thus, four 1-degree resolution sky maps complete in right ascension and covering 20 degrees in declination are obtained every day at these frequencies.