Star Clusters & Galaxies
Loose star clusters appear to be associated as stellar groupings in the sky, but often are separated by greatly different distances from the earth. Note the blue nebulosity around the stars of the Pleiades. Globular clusters do form a spatially connected group, and often there more than a million stars in a single cluster. Galaxies contain hundreds of billlions of stars.
I did quite a bit of film-based astrophotography in the mid-1980s through the early 1990s, and then started this hobby once again in 2020 using digital cameras.
Digital Astrophotography
 Orion Nebula  Orion & Running Man Nebulae  Orion Belt and Sword |
 Flame & Horsehead Nebulae (Orion Belt)  Flame & Horsehead Nebulae (Orion Belt) |
 Pleiades Star Cluster  Pleiades Star Cluster  Andromeda & M110 Galaxies  Andromeda, Triangulum & M110 Galaxies | |||
 Lagoon & Trifid Nebulae  Omega & Eagle Nebulae  North American & Pelican Nebulae  M22 Globular Cluster |
Film-based Astrophotography
 North American  North American  Lagoon  Lagoon | |||
 Trifid  Trifid  Orion  Rosette | |||
 Eagle  Omega  Eagle and Omega  Dumbbell |
 M5  M13  H & Chi Perseii | ||
 Pleiades  Andromeda Galaxy  Eta Carina |