description IC 5117 Overview
IC 5117 is a compact planetary nebula in the constellation Cygnus. Its small apparent size can make it resemble a star when viewed through a modest telescope, although its emission is produced by ionized gas surrounding a hot stellar remnant. Spectroscopic observations distinguish it from an ordinary star by revealing the characteristic emission lines of a planetary nebula.
help IC 5117 FAQ
What kind of object is IC 5117?
IC 5117 is a compact planetary nebula in the constellation Cygnus. It is made of ionized gas surrounding a hot stellar remnant.
Why can IC 5117 look like a star through a small telescope?
Its apparent size is very small, so a modest telescope may not resolve its nebular structure. It can therefore resemble a star even though its light comes from glowing gas.
Where is IC 5117 located?
IC 5117 is located in Cygnus. The constellation is a prominent northern-sky region containing many nebulae and stars.
What produces the light from IC 5117?
Its emission comes from ionized gas around a hot stellar remnant. Spectroscopic observations help distinguish that nebular emission from ordinary starlight.
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