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
How good is NGC 6644?
NGC 6644 scores 5.20/10 (Mediocre) on Lunoo, making it rated in the Nebula category.
What are the best alternatives to NGC 6644?
See our alternatives page for NGC 6644 for a ranked list with scores. Top alternatives include: Box Nebula (NGC 6445), Blue Racquetball Nebula (NGC 6572), Emerald Eye Nebula (NGC 6572).
How does NGC 6644 compare to Box Nebula (NGC 6445)?
See our detailed comparison of NGC 6644 vs Box Nebula (NGC 6445) with scores, features, and an AI-powered verdict.
Is NGC 6644 worth it in 2026?
With a score of 5.20/10, NGC 6644 is a solid option in Nebula. See all Nebula ranked.
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