# Astronomy (ASTRON) — Spring 2027 schedule

Chaffey College · 11 sections · Seat counts as of 2026-10-18

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

Term dates: Feb 1, 2027 – May 12, 2027 (from the sections' dates) · 5 sessions, with dates: /c/chaffey-college/schedule/spring-2027/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 |
| --- | --- | --- | --- | --- | --- | --- |
| 49746 | 49746 | In person | Mon/Wed 2:00–3:50pm, PL 107 | Jan 11–Apr 21 | Staff | 40 of 40 open |
| 49750 | 49750 | Online anytime | Online, no set time | Jan 11–Mar 5 | B Hughes | 44 of 44 open |
| 49751 | 49751 | Online anytime | Online, no set time | Mar 22–May 12 | M Asaro | 44 of 44 open |

## ASTRON-27 — Life in the Universe (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 49752 | 49752 | Online anytime | Online, no set time | Feb 1–May 12 | K Bader | 48 of 48 open |

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

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 49753 | 49753 | Online anytime | Online, no set time | Jan 11–Apr 23 | C Jobe | 24 of 24 open |
| 49769 | 49769 | Online anytime | Online, no set time | Jan 11–Mar 5 | M Asaro | 24 of 24 open |
| 49782 | 49782 | Online anytime | Online, no set time | Mar 22–May 12 | K Bader | 24 of 24 open |
| 49786 | 49786 | Online anytime | Online, no set time | Feb 1–May 12 | G Gueorguiev | 24 of 24 open |
| 49788 | 49788 | Online anytime | Online, no set time | Feb 1–May 12 | G Gueorguiev | 24 of 24 open |
| 51847 | 51847 | Online anytime | Online, no set time | Jan 11–Apr 23 | B Hughes | 24 of 24 open |
| 51848 | 51848 | Online anytime | Online, no set time | Jan 11–Apr 23 | B Hughes | 24 of 24 open |