The Milky Way galaxy is where we live. Other than galaxies, there might only be a few other objects outside our galaxy that we can see with amateur telescopes. Pretty much everything we see then, is part of the Milky Way. When people talk about seeing it, primarily it is the central plane that is being referenced. I've seen it even in semi-dark skies. However my first image of it was taken at Cherry Springs State Park where you could see it from horizon to horizon with your naked eye. What a sight to behold!
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Taken with my Rebel T7i and an 18-55mm kit lens on a SkyGuider Pro mount