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The ultracool dwarf star TRAPPIST-1 in the constellation of Aqua

This chart shows the naked eye stars visible on a clear dark night in the sprawling constellation of Aquarius (The Water Carrier). The position of the faint and very red ultracool dwarf star TRAPPIST-1 is marked. Although it is relatively close to the Sun, it is very faint and not visible in small telescopes.

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