Requires a bachelor's degree in engineering and 4-6 years of experience in the field or in a related area. Familiar with a variety of the field's concepts, practices, and procedures. Relies on experience and judgment to plan and accomplish goals. Performs a variety of complicated tasks.
The Ring Nebula (also catalogued as Messier 57, M57 or NGC 6720) is a planetary nebula in the northern constellation of Lyra.
1 An asterism is a group of stars which form a pattern in the night sky but is not a constellation in itself.  The beautiful Ring Nebula can be found within the Lyra constellation, between the stars of Sulafet and Sheliak.