Lab course in observation and instrumentation. Hands-on exercises include obtaining and analyzing multi-wavelength data, optical design and instrumentation, and statistical analysis, with emphasis on spectroscopy. A significant number of night time observation sessions are required. Prereq., ASTR 3510 or instructor consent. Restricted to Astrophysics majors only. Elective for APS major and minor. Prerequisites: Restricted to Astrophysics majors only.