# Astronomy (ASTR) — Spring 2026 schedule

Sierra College · 23 sections · Seat counts as of 2026-10-14

Source: https://ss.oci.sierracollege.edu/StudentRegistrationSsb/ssb/term/termSelection?mode=search

Course descriptions: 2025-2026 catalog, /c/sierra-college/catalog/2025-2026/courses/astr.md

## ASTR 0002 — Introduction to Planetary Systems (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 40488 | 110 | In person | Mon/Wed 11:00–11:50am, S 202; Wed 9:30–10:35am, V 227 | Jan 26–May 23 | Barry A. Rice | 2 of 20 open |
| 43300 | 112 | In person | Mon 9:30–10:35am, V 227; Mon/Wed 11:00–11:50am, S 202 | Jan 26–May 23 | Barry A. Rice | 6 of 20 open |
| 40490 | 120 | In person | Tue/Thu 8:00–8:50am, S 202; Tue 9:30–10:35am, V 227 | Jan 26–May 23 | Barry A. Rice | 2 of 20 open |
| 43298 | 122 | In person | Tue/Thu 8:00–8:50am, S 202; Thu 9:30–10:35am, V 227 | Jan 26–May 23 | Barry A. Rice | 11 of 20 open |
| 40485 | 130 | In person | Mon 5:30–6:35pm, V 227; Mon 6:45–8:35pm, S 202 | Jan 26–May 23 | Nancy L. Montague-Archer | 1 of 20 open |
| 40900 | 801 | Online anytime | Online, no set time | Jan 26–May 23 | Nancy L. Montague-Archer | 4 of 40 open, 4 waitlisted |
| 43603 | 802 | Online anytime | Online, no set time | Jan 26–May 23 | David E. Dunn | 17 of 40 open, 4 waitlisted |

## ASTR 0005 — Introduction to Stars, Galaxies, and the Universe (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 40491 | 110 | In person | Tue/Thu 9:30–10:20am, S 202; Tue 2:00–3:05pm, V 227 | Jan 26–May 23 | David E. Dunn | 4 of 20 open |
| 43604 | 111 | In person | Tue/Thu 9:30–10:20am, S 202; Thu 2:00–3:05pm, V 227 | Jan 26–May 23 | David E. Dunn | 18 of 20 open |
| 40486 | 120 | In person | Tue/Thu 12:30–1:20pm, S 202; Wed 12:30–1:35pm, V 227 | Jan 26–May 23 | Barry A. Rice | 4 of 20 open, 1 waitlisted |
| 40901 | 130 | In person | Tue 5:30–6:35pm, V 227; Tue 6:45–8:35pm, S 202 | Jan 26–May 23 | Josh S. Wormley | 1 of 20 open |
| 43551 | 200 | In person | Tue 4:00–7:05pm, N7-Classroom/Lab Bldg 205 | Jan 26–May 23 | Gabriel Gonzalez | 35 of 40 open |
| 41521 | 810 | Online anytime | Online, no set time | Jan 26–May 23 | Daniel R. Hale | 14 of 40 open, 3 waitlisted |
| 43466 | 825 | Online anytime | Online, no set time | Mar 30–May 23 | Daniel R. Hale | 23 of 40 open, 4 waitlisted |
| 42920 | 900 | In person, College Career Access Pathways | Mon/Wed/Fri 8:30–9:45am, Center High School (Mar 16–May 8); Mon/Wed 8:30–9:45am, Center High School (Mar 2–May 20); Tue/Thu 8:30–9:45am, Center High School (Jan 27–May 14); Wed/Fri 8:30–9:45am, Center High School (Feb 4–Feb 20); Mon 8:30–9:45am, Center High School on Feb 2 | Jan 27–May 20 | Kevin S. Lobbestael | 39 of 40 open |

## ASTR 0007 — Life in the Universe (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 40513 | 111 | In person | Tue/Thu 2:00–3:20pm, S 202 | Jan 26–May 23 | Barry A. Rice | 15 of 40 open |

## ASTR 0010 — Elementary Astronomy (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 41387 | 801 | Online anytime | Online, no set time | Jan 26–May 23 | Daniel R. Hale | 12 of 40 open, 2 waitlisted |
| 40046 | 803 | Online anytime | Online, no set time | Jan 26–May 23 | David E. Dunn | 14 of 40 open, 1 waitlisted |
| 40045 | 805 | Online anytime | Online, no set time | Jan 26–May 23 | David E. Dunn | 10 of 40 open, 2 waitlisted |

## ASTR 0011 — Observational Astronomy (1 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 40049 | 110 | In person | Mon/Wed 2:00–3:20pm, V 227 | Jan 26–May 23 | Barry A. Rice | 1 of 24 open |
| 40050 | 115 | In person | Tue/Thu 11:00am–12:20pm, V 227 | Jan 26–May 23 | Barry A. Rice | 6 of 24 open |
| 40048 | 141 | In person | Wed 7:00–10:05pm, V 227 | Jan 26–May 23 | Troy M. Kuersten | 2 of 24 open |

## ASTR 0014 — Astrophotography and Imaging (1 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 40051 | 119 | In person | Tue/Thu 12:30–1:50pm, V 227 | Jan 26–May 23 | David E. Dunn | 7 of 24 open |