Astrophysical instrumentation refers to the development and use of instruments and techniques to study and analyze astronomical objects and phenomena. This field combines knowledge of physics, engineering, and astronomy to design and build instruments such as telescopes, detectors, spectrometers, and cameras that can measure and capture data from distant celestial objects. Astrophysical instrumentation plays a crucial role in advancing our understanding of the universe by providing detailed observations and measurements of stars, galaxies, and other astronomical objects. Researchers in this field work to improve existing instruments and develop new technologies to enhance our ability to explore the cosmos.