Fast Schedule

Astronomy ASTR

Fall 2026 · 17 sections · seat counts as of Oct 15, 2026

Catalog: Astronomy courses in the 2026-2027 Catalog

ASTR A100 Introduction to Astronomy · 3 units

Course description

CRNMeetsDatesInstructorSeats
20441
In person
Tue/Thu 9:35–11:00am, Biological Sciences 100
Aug 24–Dec 12Kaoru LeeFull (37/35)
20604
In person
Mon/Wed 12:45–2:10pm, Science HALL
Aug 24–Dec 12Jerome Fang9 of 150 open
21260
In person
Tue/Thu 11:10am–12:35pm, Biological Sciences 100
Aug 24–Dec 12Gabriela SernaFull (35/35)
22337
In person
Tue/Thu 12:45–2:10pm, Orange Coast LEC HALL 2
Aug 24–Dec 12Gabriela Serna3 of 104 open, 1 waitlisted
23134
In person
Fri 9:00am–12:10pm, Biological Sciences 100
Aug 24–Dec 12Jessica Asbell3 of 35 open, 2 waitlisted

ASTR A100H Introduction to Astronomy Honors · 3 units

Course description

CRNMeetsDatesInstructorSeats
21109
In person
Tue/Thu 9:35–11:00am, Biological Sciences 101
Aug 24–Dec 12Jessica Asbell7 of 24 open

ASTR A100L Introduction to Astronomy Laboratory · 1 units

Course description

CRNMeetsDatesInstructorSeats
20330
In person
Mon/Wed 3:55–5:20pm, Biological Sciences 101
Aug 24–Dec 12Jessica Asbell7 of 24 open
20995
In person
Mon/Wed 2:20–3:45pm, Biological Sciences 101
Aug 24–Dec 12Jessica Asbell1 of 24 open, 1 waitlisted
21146
In person
Tue/Thu 2:20–3:45pm, Biological Sciences 101
Aug 24–Dec 12Jessica Asbell1 of 19 open
21171
In person
Mon/Wed 11:10am–12:35pm, Biological Sciences 101
Aug 24–Dec 12Jessica Asbell1 of 24 open
21296
In person
Tue/Thu 12:45–2:10pm, Biological Sciences 101
Aug 24–Dec 12Kaoru Lee10 of 24 open
22311
In person
Tue/Thu 11:10am–12:35pm, Biological Sciences 101
Aug 24–Dec 12Kaoru Lee1 of 24 open
25735
In person
Fri 1:00–4:10pm, Biological Sciences 101
Aug 24–Dec 12Derek Bryant4 of 24 open

ASTR A100M Introduction to Astronomy Laboratory Honors · 1 units

Course description

CRNMeetsDatesInstructorSeats
21110
In person
Tue/Thu 2:20–3:45pm, Biological Sciences 101
Aug 24–Dec 12Jessica AsbellFull (6/5)

ASTR A101 Planetary Astronomy · 3 units

Course description

CRNMeetsDatesInstructorSeats
20741
In person
Mon/Wed 9:35–11:00am, Biological Sciences 100
Aug 24–Dec 12Jessica Asbell6 of 35 open

ASTR A103 Cosmology · 3 units

Course description

CRNMeetsDatesInstructorSeats
22467
In person
Tue/Thu 9:35–11:00am, Lewis Center 212
Aug 24–Dec 12Jerome Fang18 of 35 open

ASTR A110 Observational Astronomy · 2 units

Course description

CRNMeetsDatesInstructorSeats
22857
In person
Fri 5:30–9:45pm, Biological Sciences
All meeting times
  • Fri 5:30–6:20pm Biological Sciences
  • Fri 6:30–9:45pm Biological Sciences
Aug 24–Dec 12StaffFull (0/0)

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