# Astronomy (ASTR) — Spring 2027 schedule

San Diego Mesa College · 12 sections · Seat counts as of 2026-10-20

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

Term dates: Feb 1, 2027 – May 29, 2027 (from the sections' dates) · 6 sessions, with dates: /c/san-diego-mesa-college/schedule/spring-2027/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 |
| --- | --- | --- | --- | --- | --- | --- |
| 51838 | 51838 | In person | Mon/Wed 12:45–2:10pm, MS 109 | Feb 1–May 29 | Irena Stojimirovic | 45 of 45 open |
| 51839 | 51839 | Online anytime | Online, no set time | Feb 1–May 29 | Joseph Matthew Fedrow | 45 of 45 open |
| 51840 | 51840 | Online anytime | Online, no set time | Feb 1–May 29 | Sina Sadjadi | 45 of 45 open |
| 51874 | 51874 | In person | Tue/Thu 11:10am–12:30pm, MS 109 | Feb 1–May 29 | Walter Hugh Thompson IV | 45 of 45 open |
| 51885 | 51885 | In person | Tue/Thu 9:35–10:55am, MS 111 | Feb 1–May 29 | Staff | 45 of 45 open |
| 51890 | 51890 | Online anytime | Online, no set time | Mar 15–May 29 | Sina Sadjadi | 45 of 45 open |
| 51901 | 51901 | Online anytime | Online, no set time | Mar 15–May 29 | David Coleman | 45 of 45 open |

## ASTR 102 — Exploring The Solar System And Life Beyond The Earth (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 51867 | 51867 | Online anytime | Online, no set time | Feb 1–May 29 | David Coleman | 45 of 45 open |

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

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 51892 | 51892 | In person | Tue 7:05–10:10pm, MS 109 | Feb 1–May 29 | Sina Sadjadi | 24 of 24 open |

## ASTR 111 — Astronomy Laboratory (1 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 51841 | 51841 | In person | Tue 1:00–4:00pm, MS 109 | Feb 1–May 29 | Walter Hugh Thompson IV | 24 of 24 open |
| 51886 | 51886 | In person | Wed 5:30–6:40pm, MS 109; Wed 6:50–8:30pm, MS 109 | Feb 1–May 29 | Staff | 24 of 24 open |
| 51900 | 51900 | In person | Thu 1:00–4:00pm, MS 109 | Feb 1–May 29 | Staff | 24 of 24 open |