In the featured image of the dark southern sky, the three brightest galaxies of the night are all relatively easy to identify. Starting from the left, these are the Small Magellanic Cloud (SMC), the Large Magellanic Cloud (LMC), and part of the central band of our Milky Way Galaxy.
The first two are satellite galaxies to Milkyway?
Yeah the Small and Large Magellanic clouds are dwarf galaxies that are satellites of the Milky Way. Unfortunately, you can only see them from the Southern Hemisphere, but they contain some gorgeous nebulae