# Astronomy (ASTR) — Fall 2026 schedule

San Diego Mesa College · 11 sections · Seat counts as of 2026-10-20

Source: https://www.sdccd.edu/students/class-search/search.html

Term dates: Aug 24, 2026 – Dec 21, 2026 (from the sections' dates) · 4 sessions, with dates: /c/san-diego-mesa-college/schedule/fall-2026/index.json · Academic calendar: https://www.sdccd.edu/faculty-staff/employee-resources/academic-calendars/academic-calendars-college/index.aspx

Course descriptions: 2026-2027 catalog, /c/san-diego-mesa-college/catalog/2026-2027/courses/astr.md

## ASTR 101 — Descriptive Astronomy (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 42695 | 42695 | Online anytime | Online, no set time | Aug 24–Dec 21 | Joseph Matthew Fedrow | 1 of 45 open, 1 waitlisted |
| 42696 | 42696 | In person | Mon/Wed 12:45–2:10pm, MS 109 | Aug 24–Dec 21 | Irena Stojimirovic | 5 of 45 open |
| 42697 | 42697 | Online anytime | Online, no set time | Aug 24–Dec 21 | Sina Sadjadi | Full (49/45), 1 waitlisted |
| 42698 | 42698 | Online anytime | Online, no set time | Oct 5–Dec 21 | Sina Sadjadi | Full (47/45), 2 waitlisted |
| 42722 | 42722 | In person | Tue/Thu 11:10am–12:30pm, MS 111 | Aug 24–Dec 21 | Walter Hugh Thompson IV | 2 of 45 open, 3 waitlisted |
| 42738 | 42738 | Online anytime | Online, no set time | Oct 5–Dec 21 | David Coleman | 8 of 45 open, 2 waitlisted |
| 44492 | 44492 | In person | Tue/Thu 9:35–10:55am, MS 111 | Aug 24–Dec 21 | Aidan Bryce Gibbs | Full (46/45) |

## ASTR 109 — Practice in Observing (1 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 42729 | 42729 | In person | Tue 7:05–10:10pm, MS 109 | Aug 24–Dec 21 | Sina Sadjadi | 5 of 24 open |

## ASTR 111 — Astronomy Laboratory (1 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 42699 | 42699 | In person | Thu 1:00–4:00pm, MS 109 | Aug 24–Dec 21 | Walter Hugh Thompson IV | Full (24/24) |
| 42739 | 42739 | In person | Wed 5:30–8:35pm, MS 109 | Aug 24–Dec 21 | David Coleman | 9 of 24 open |
| 46098 | 46098 | In person | Tue 1:00–4:00pm, MS 109 | Aug 24–Dec 21 | Aidan Bryce Gibbs | 9 of 24 open |