Fig. 59: Open cluster M 52, Bubble Nebula NGC 7635, Cave Nebula Sh 2-155, Lobster Claw Nebula Sh 2-157, and further H-II regions and dark clouds; Nikkor AF-S 300mm 1:2.8D; Nikon D850; ZWO AM3N; L: 92*120s, ISO 1600, IDAS LPS-P3 Filter; Brugg, 2026-10-05
