Prereq.:ASTR 1101 or ASTR 1301, ASTR 1102 or ASTR 1302, CSC 1253 or equivalent, PHYS 2203, PHYS 1209, and MATH 1552.1 hr. lecture; 6 hrs. lab. Modern astronomical observations and reductions; the telescope, astronomical photography, spectroscopic and photoelectric observations and reductions.