Ernst Johannes Hartung

Hartung 591     Ome Cen      NGC5139

Hartung 590    Centaurus A   NGC5128

Hartung 216/217      IC434  NGC2024

       Horsehead and Flame Nebula

Hartung 1030     Lace-work    NGC6960

Hartung 857  NGC6523 Messier 8

Hartung 21   NGC253  Silver Coin Gxy

Caldwell 65