Is it copyright if I trace over constellation art (simply lines and dots)

June 28, 2023 @ 6:04pmbunrealism says:
I'm writing a poetry chapbook and all the titles are titles of constellations and I want some graphic of the constellations along with them. I originally just freehand sketched them by looking at pictures but I didn't like how the proportions and lengths weren't exact which is why I traced it. But just wondering about copyright, and if it is, which I feel like it might be, what would the solution be? Are the constellations public domain?

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