Recent SemestersFall 2026Class SizeNot publishedCredits1PrerequisiteASTR 101 or ASTR 102 or ASTR 103 or ASTR 104 or ASTR 106 or equivalent with a grade of "C" or higher or "Pass" or concurrent enrollment. This is a laboratory course in practical astronomical observations and studies designed for the student with an interest in the use of telescopes and instruments. An opportunity will be provided for additional study as a supplement to the lecture course. Occasional evening observing sessions are required. Transfers ToUC and CSUCal-GETC Area 5C · IGETC Area 5A · IGETC Area 5C · CSU GE Area B3DescriptionObservational AstronomyUsually HeldTue 7:00pm–9:50pm 