# Astronomy (ASTRON) — Summer 2026 schedule

Chaffey College · 5 sections · Seat counts as of 2026-10-18

Source: https://colss-prod.ec.chaffey.edu/Student/Courses

Term dates: Jun 1, 2026 – Jul 24, 2026 (from the sections' dates) · 3 sessions, with dates: /c/chaffey-college/schedule/summer-2026/index.json · Academic calendar: https://www.chaffey.edu/programsacademics/calendars/index.php

Course descriptions: 2026-2027 catalog, /c/chaffey-college/catalog/2026-2027/courses/astron.md

## ASTRON-26 — Stars and Galaxies (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 46622 | 46622 | Online anytime | Online, no set time | Jun 1–Jul 24 | K Bader | 13 of 44 open |
| 46623 | 46623 | Online anytime | Online, no set time | Jun 1–Jul 10 | B Hughes | 10 of 44 open |
| 46624 | 46624 | Online anytime | Online, no set time | Jun 15–Jul 24 | M Asaro | 10 of 44 open |

## ASTRON-35 — Planets and the Solar System with Lab (4 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 46625 | 46625 | Online anytime | Online, no set time | Jun 1–Jul 10 | B Hughes | 4 of 24 open |
| 46627 | 46627 | Online anytime | Online, no set time | Jun 15–Jul 24 | M Asaro | 5 of 24 open |