Logic Masters Deutschland e.V.

Rules: Normal sudoku rules apply. Four non-overlapping constellations appear in the finished grid. Adjacent cells along the constellation lines are consecutive digits. Diamonds indicate the brightest star (smallest number) in a constellation. If there is more than one, only one is marked. Constellations are shown in the correct orientation.

Play on Penpa

Bonus points for identifying what region of the night sky is in the completed puzzle.