# Astronomy (ASTR) — Summer 2026 schedule

Mt. San Antonio College · 14 sections · Seat counts as of 2026-10-15

Source: https://prodrg.mtsac.edu/StudentRegistrationSsb/ssb/term/termSelection?mode=search

Course descriptions: 2026-2027 catalog (the catalog for Summer 2026 is not published here yet), /c/mt-san-antonio-college/catalog/2026-2027/courses/astr.md

## ASTR 5 — Introduction to Astronomy (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 10832 | 01 | In person | Tue/Wed/Thu 10:30am–1:20pm, 11 - Science North 2119 | Jun 22–Aug 2 | Dylan H Terry | 9 of 36 open |
| 10833 | 02 | Online anytime | Online, no set time | Jun 22–Aug 2 | Micol H Christopher | 1 of 36 open, 6 waitlisted |
| 10834 | 03 | Online anytime | Online, no set time | Jun 22–Aug 2 | Micol H Christopher | Full (38/36), 2 waitlisted |
| 10835 | 04 | Online anytime | Online, no set time | Jun 22–Aug 2 | Priscilla E Holguin Luna | 14 of 36 open |
| 10836 | 05 | Online anytime | Online, no set time | Jun 22–Aug 2 | Cynthia H Ibrahim | 9 of 36 open |
| 11187 | 06 | In person | Mon/Tue/Wed/Thu 8:30–11:20am, Off Campus GANHS (Jun 8–Jul 5); Wed/Thu 8:30–11:20am, Off Campus GANHS (Jun 1–Jun 7) | Jun 1–Jul 5 | Jonathan A Conrad | 18 of 28 open |
| 13070 | 07 | Online anytime | Online, no set time | Jun 22–Aug 2 | Adrian Villalobos | 15 of 36 open |

## ASTR 5L — Astronomical Observing Laboratory (1 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 10837 | 01 | In person, Laboratory/Studio/Activity | Tue/Wed/Thu 1:30–4:20pm, Bldg 60 1306 | Jun 22–Aug 2 | Adrian Villalobos | 12 of 20 open |
| 10839 | 02 | Online anytime | Online, no set time | Jun 22–Aug 2 | Julie J Bray-Ali | 3 of 20 open |
| 10840 | 03 | Online anytime | Online, no set time | Jun 22–Aug 2 | Kaoru Kamiya | 6 of 20 open |
| 10841 | 04 | Online anytime | Online, no set time | Jun 22–Aug 2 | Michael A Hood | Full (20/20), 2 waitlisted |
| 11188 | 05 | In person, Laboratory/Studio/Activity | Mon/Tue/Wed/Thu 12:00–2:50pm, Off Campus GANHS (Jun 8–Jul 5); Wed/Thu 12:00–2:50pm, Off Campus GANHS (Jun 1–Jun 7) | Jun 1–Jul 5 | Jonathan A Conrad | 18 of 28 open |
| 13069 | 06 | Online anytime | Online, no set time | Jun 22–Aug 2 | Kaoru Kamiya | 12 of 20 open |

## ASTR 8 — Introduction to Stars, Galaxies, and the Universe (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 10842 | 01 | Online anytime | Online, no set time | Jun 22–Aug 2 | Julie J Bray-Ali | 10 of 36 open |