William Baffin, the English explorer, did not invent or use constellations. Constellations are groups of stars that form patterns in the night sky, and they were recognized and named by ancient civilizations thousands of years before Baffin's time.

Baffin was a skilled navigator and cartographer who used the stars for navigation, but he relied on the already established constellations known to sailors of his time. These would have included constellations like Ursa Major (the Great Bear), Ursa Minor (the Little Bear), Orion, Cassiopeia, and many others.

While Baffin did make some observations of the stars and recorded their positions, he did not create any new constellations.