Mare Nostrum groups

z=2.4-7

True colors in I K IRAC-8 boxsize 1Mpc/h

721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
Horizon 2007 (c)