Breadcrumb Home Astrophysics and Planetary Science AST 2134 AST 2134: Observational Lab II Download as PDF Program Astrophysics and Planetary Science Credits 2 Continuation of AST 2122. Prerequisites AST 2133 :D- Prerequisite Courses AST 2133 Last Offered Fall 2025, Fall 2024, Fall 2023, Fall 2022