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you don't need a decent camera!!!! get a cheap camera that is about 5 years old and rock it! The key is to keep the ISO low and a 30 second exposure. cheap will work just as good as an expensive camera with low ISO. 100 to 400 and you should be good!!

Thanks for the tip! Is there any model/s you would recommend?

I recommend getting out and shooting. My main reason for doing this is to build chops in photography, what happens personally is up to you.