Recent SemestersFall 2026, Spring 2026, Fall 2025, Spring 2025, Fall 2024Class Size30–36 studentsCredits1PrerequisitePrerequisite: ASTR 120 or ASTR 120H or ASTR 125 or ASTR 125H with a minimum grade of C or concurrent enrollment The astronomy laboratory provides students with an introduction to the observation of the sky with telescopes, binoculars, and the unaided eye. The student will become familiar with the principles of set up and operation of telescopes and use them to view the Moon, the Sun, planets, stars, star clusters, and nebulae. The student will use the principles of astronomy to interpret their observations. Students will also learn to identify the bright stars and major constellations visible in California. 