description RCW 129 Overview
help RCW 129 FAQ
What is RCW 129?
RCW 129 is a southern Galactic H-alpha nebula listed in the 1960 RCW catalog. The catalog records emission features in the Milky Way.
What does RCW mean in RCW 129?
RCW refers to the catalog created from a survey of southern Galactic H-alpha emission. RCW 129 is the object's catalog number within that survey.
Why is RCW 129 visible in H-alpha light?
H-alpha emission traces glowing hydrogen gas, so it highlights ionized material in the nebula. RCW 129 is notable as part of the survey's map of Milky Way emission.
Is RCW 129 a planet or a nebula?
RCW 129 is a nebula, not a planet. It is a Galactic emission feature in the southern sky.
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