The Pisces–Cetus Supercluster Complex is estimated to be about 1.0 billion light-years (Gly) long and 150 million light years (Mly) wide.
Laniakea Supercluster (Wikipedia) The Laniakea Supercluster (/ˌlæni.əˈkeɪ.ə/; Hawaiian for “open skies” or “immense heaven”) is the galaxy supercluster that is home to the Milky Way and approximately 100,000 other nearby galaxies.