symentrical group of orange dots in night sky, no sound at all, no break in flowing formation at all

I was on my balcony when I looked up and saw what seemed to be many little orange dots moving upward in a flowing motion. I could see the shape shitfting smoothly like the tail of a jellyfish or a flock of birds. But the distance between the dots never shifted or broke pattern. There was total silence and steady movement. I could see the spaces between the dots clearly and as it got further away the dots got smaller. But the whole time it was totally silent and it was dark out but I could see each of the dots clearly. What caught my attention was the amount of dots and the flowing movement the group of dots made. It was not sharp movements but smooth flowing, rotating movetments.