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.
help NGC 6439 FAQ
What is the alternate catalog designation for NGC 6439?
NGC 6439 is also catalogued as PK 011+05.1 and PN G 011.0+05.8. These identifiers refer to the same compact planetary nebula.
Where is NGC 6439 located?
NGC 6439 is in the constellation Sagittarius. Catalog data place it near right ascension 17 hours 48 minutes and declination minus 16 degrees 28 minutes.
How bright is NGC 6439?
Its visual magnitude is about 12.6. That makes it a relatively faint target requiring suitable observing equipment.
What type of object is NGC 6439?
NGC 6439 is a compact planetary nebula. It is the glowing shell of gas associated with the late evolution of a star like the Sun.
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