Astronomy ASTR

Spring 2026 · 6 sections · seat counts as of Oct 20, 2026

Catalog: Astronomy courses in the 2026-2027 Catalog (the catalog for Spring 2026 is not available here yet)

Course description (2026-2027 Catalog)

CRN	Meets	Dates	Instructor	Seats
30674 30674	Online anytime Only Online	Jan 20–May 22	Patrick Len	Full (63/50), 16 waitlisted
30675 30675	In person San Luis Obispo Campus Tue/Thu 9:00–10:20am, 2600 General Use Classrooms 2609	Jan 20–May 22	James Eickemeyer	64 of 80 open
30676 30676	Hybrid Blended · San Luis Obispo Campus Wed 6:00–7:20pm, 2600 General Use Classrooms 2609 + online work All meeting times Wed 6:00–7:20pm 2600 General Use Classrooms 2609 Plus online work	Jan 20–May 22	Patrick Len	8 of 50 open

Course description (2026-2027 Catalog)

CRN	Meets	Dates	Instructor	Seats
30679	Online anytime Only Online	Jan 20–May 22	Patrick Len	Full (35/28), 8 waitlisted
30680	Online anytime Only Online	Jan 20–May 22	Patrick Len	Full (29/28), 7 waitlisted

Course description (2026-2027 Catalog)

CRN	Meets	Dates	Instructor	Seats
33248	Hybrid Only Online Thu 4:30–5:20pm, Distance Education WEB + online work All meeting times Thu 4:30–5:20pm Distance Education WEB Plus online work	Jan 20–May 22	James Eickemeyer	20 of 30 open

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