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.
H II regions, where hydrogen is ionized by the ultraviolet and visible light from newborn stars. The bright circular feature at the northern (top) edge of the field is NGC 362, a foreground globular star cluster located in our own Milky Way.