# Astronomy (ASTR) — Fall 2026 schedule

Orange Coast College · 17 sections · Seat counts as of 2026-10-15

Source: https://ssb-prod.ec.cccd.edu/PROD/pw_pub_sched.p_search?Term=202670&college=OC

Course descriptions: 2026-2027 catalog, /c/orange-coast-college/catalog/2026-2027/courses/astr.md

## ASTR A100 — Introduction to Astronomy (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 20441 | 20441 | In person | Tue/Thu 9:35–11:00am, Biological Sciences 100 | Aug 24–Dec 12 | Kaoru Lee | Full (37/35) |
| 20604 | 20604 | In person | Mon/Wed 12:45–2:10pm, Science HALL | Aug 24–Dec 12 | Jerome Fang | 9 of 150 open |
| 21260 | 21260 | In person | Tue/Thu 11:10am–12:35pm, Biological Sciences 100 | Aug 24–Dec 12 | Gabriela Serna | Full (35/35) |
| 22337 | 22337 | In person | Tue/Thu 12:45–2:10pm, Orange Coast LEC HALL 2 | Aug 24–Dec 12 | Gabriela Serna | 3 of 104 open, 1 waitlisted |
| 23134 | 23134 | In person | Fri 9:00am–12:10pm, Biological Sciences 100 | Aug 24–Dec 12 | Jessica Asbell | 3 of 35 open, 2 waitlisted |

## ASTR A100H — Introduction to Astronomy Honors (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 21109 | 21109 | In person | Tue/Thu 9:35–11:00am, Biological Sciences 101 | Aug 24–Dec 12 | Jessica Asbell | 7 of 24 open |

## ASTR A100L — Introduction to Astronomy Laboratory (1 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 20330 | 20330 | In person | Mon/Wed 3:55–5:20pm, Biological Sciences 101 | Aug 24–Dec 12 | Jessica Asbell | 7 of 24 open |
| 20995 | 20995 | In person | Mon/Wed 2:20–3:45pm, Biological Sciences 101 | Aug 24–Dec 12 | Jessica Asbell | 1 of 24 open, 1 waitlisted |
| 21146 | 21146 | In person | Tue/Thu 2:20–3:45pm, Biological Sciences 101 | Aug 24–Dec 12 | Jessica Asbell | 1 of 19 open |
| 21171 | 21171 | In person | Mon/Wed 11:10am–12:35pm, Biological Sciences 101 | Aug 24–Dec 12 | Jessica Asbell | 1 of 24 open |
| 21296 | 21296 | In person | Tue/Thu 12:45–2:10pm, Biological Sciences 101 | Aug 24–Dec 12 | Kaoru Lee | 10 of 24 open |
| 22311 | 22311 | In person | Tue/Thu 11:10am–12:35pm, Biological Sciences 101 | Aug 24–Dec 12 | Kaoru Lee | 1 of 24 open |
| 25735 | 25735 | In person | Fri 1:00–4:10pm, Biological Sciences 101 | Aug 24–Dec 12 | Derek Bryant | 4 of 24 open |

## ASTR A100M — Introduction to Astronomy Laboratory Honors (1 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 21110 | 21110 | In person | Tue/Thu 2:20–3:45pm, Biological Sciences 101 | Aug 24–Dec 12 | Jessica Asbell | Full (6/5) |

## ASTR A101 — Planetary Astronomy (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 20741 | 20741 | In person | Mon/Wed 9:35–11:00am, Biological Sciences 100 | Aug 24–Dec 12 | Jessica Asbell | 6 of 35 open |

## ASTR A103 — Cosmology (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 22467 | 22467 | In person | Tue/Thu 9:35–11:00am, Lewis Center 212 | Aug 24–Dec 12 | Jerome Fang | 18 of 35 open |

## ASTR A110 — Observational Astronomy (2 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 22857 | 22857 | In person | Fri 5:30–6:20pm, Biological Sciences; Fri 6:30–9:45pm, Biological Sciences | Aug 24–Dec 12 | Staff | Full (0/0) |