description NGC 6644 Overview
NGC 6644 is a planetary nebula in the constellation Sagittarius. It consists of gas expelled by a dying star and illuminated by the exposed stellar remnant at its center. Astronomers classify it as a compact, complex nebula with multiple shells and distinctive inner structures, and it has been studied through optical and infrared observations because its shape and ionized gas reveal stages in late stellar evolution.
help NGC 6644 FAQ
What is NGC 6644?
NGC 6644 is a planetary nebula in the constellation Sagittarius. It formed from gas expelled by a dying star and illuminated by the exposed stellar remnant at its center.
Is NGC 6644 a planet?
No. Despite the historical name planetary nebula, NGC 6644 has nothing to do with planets. It is a glowing shell of gas produced during the late evolution of a star.
What makes NGC 6644 unusual?
Astronomers describe it as compact and structurally complex, with multiple shells and distinctive inner structures. Those layers record different stages of gas loss from the central dying star.
Where can NGC 6644 be found?
NGC 6644 is located in Sagittarius, one of the constellations along the Milky Way’s dense central region. Its compact appearance generally makes detailed observation more useful with a capable telescope than with the naked eye.
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