description NGC 6439 Overview
NGC 6439 is a compact planetary nebula in the constellation Sagittarius, also catalogued as PK 011+05.1 and PN G 011.0+05.8. Catalog data place it near right ascension 17 hours 48 minutes and declination minus 16 degrees 28 minutes, with a visual magnitude of about 12.6, an angular size near 0.1 arcminute, and an estimated distance of about 1.3 kiloparsecs. Its small apparent diameter makes it appear nearly stellar in modest optical instruments, so it is mainly an observing target for deep-sky astronomers.
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How good is NGC 6439?
NGC 6439 scores 4.42/10 (Poor) on Lunoo, making it rated in the Nebula category.
What are the best alternatives to NGC 6439?
See our alternatives page for NGC 6439 for a ranked list with scores. Top alternatives include: Blue Racquetball Nebula (NGC 6572), Emerald Eye Nebula (NGC 6572), NGC 6572 (Blue Racquetball).
How does NGC 6439 compare to Blue Racquetball Nebula (NGC 6572)?
See our detailed comparison of NGC 6439 vs Blue Racquetball Nebula (NGC 6572) with scores, features, and an AI-powered verdict.
Is NGC 6439 worth it in 2026?
With a score of 4.42/10, NGC 6439 is a solid option in Nebula. See all Nebula ranked.
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