# Astronomy (ASTR) — Fall 2026 schedule

Sierra College · 21 sections · Seat counts as of 2026-10-14

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

Course descriptions: 2026-2027 catalog, /c/sierra-college/catalog/2026-2027/courses/astr.md

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

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 80552 | 110 | In person | Tue/Thu 12:30–1:20pm, S 202; Tue 2:00–3:05pm, V 227 | Aug 17–Dec 12 | Barry A. Rice | 2 of 20 open |
| 83535 | 112 | In person | Tue/Thu 12:30–1:20pm, S 202; Thu 2:00–3:05pm, V 227 | Aug 17–Dec 12 | Barry A. Rice | Full (20/20), 1 waitlisted |
| 80931 | 120 | In person | Tue 5:30–6:35pm, V 227; Tue 6:45–8:35pm, S 202 | Aug 17–Dec 12 | Josh S. Wormley | 6 of 20 open |
| 84082 | 121 | In person | Tue 6:45–8:35pm, V 227; Tue 8:45–9:50pm, S 202 | Aug 17–Dec 12 | Josh S. Wormley | 10 of 20 open |
| 84360 | 800 | Online anytime | Online, no set time | Aug 17–Dec 12 | David E. Dunn | 7 of 40 open, 1 waitlisted |
| 80553 | 805 | Online anytime | Online, no set time | Aug 17–Dec 12 | Nancy L. Montague-Archer | 3 of 40 open, 2 waitlisted |
| 84081 | 888 | Online anytime | Online, no set time | Aug 17–Oct 10 | Daniel R. Hale | 10 of 40 open, 1 waitlisted |
| 82942 | 900 | In person, College Career Access Pathways | Tue/Thu 11:50am–1:15pm, Center High School; Tue/Fri 11:50am–1:15pm, Center High School (Nov 10–Nov 13); Wed/Fri 11:50am–1:15pm, Center High School (Sep 2–Nov 6); Mon 11:15am–12:30pm, Center High School on Aug 31, Sep 21, Oct 19, Nov 2, Nov 30; Wed 11:50am–1:15pm, Center High School on Oct 21, Dec 2 | Aug 25–Dec 10 | Kevin S. Lobbestael | 26 of 36 open |

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

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 84277 | 101 | In person | Mon/Wed 12:30–1:20pm, S 202; Mon 2:00–3:05pm, V 227 | Aug 17–Dec 12 | David E. Dunn | 5 of 20 open |
| 84278 | 103 | In person | Mon/Wed 12:30–1:20pm, S 202; Wed 2:00–3:05pm, V 227 | Aug 17–Dec 12 | David E. Dunn | 6 of 20 open |
| 80585 | 105 | In person | Tue/Thu 8:00–8:50am, S 202; Tue 9:30–10:35am, V 227 | Aug 17–Dec 12 | Barry A. Rice | 1 of 20 open |
| 80555 | 110 | In person | Tue/Thu 8:00–8:50am, S 202; Thu 9:30–10:35am, V 227 | Aug 17–Dec 12 | Barry A. Rice | 1 of 20 open |
| 80554 | 805 | Online anytime | Online, no set time | Aug 17–Dec 12 | Daniel R. Hale | 13 of 40 open, 4 waitlisted |
| 83904 | 890 | Online anytime | Online, no set time | Oct 19–Dec 12 | Daniel R. Hale | Full (40/40), 20 waitlisted |

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

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 84279 | 100 | In person | Mon/Wed 2:00–3:20pm, S 202 | Aug 17–Dec 12 | Barry A. Rice | 6 of 40 open |

## ASTR 0010 — Elementary Astronomy (3 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 80050 | 800 | Online anytime | Online, no set time | Aug 17–Dec 12 | David E. Dunn | 8 of 40 open, 2 waitlisted |
| 81334 | 802 | Online anytime | Online, no set time | Aug 17–Dec 12 | David E. Dunn | 14 of 40 open |

## ASTR 0011 — Observational Astronomy (1 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 80451 | 125 | In person | Wed 7:00–10:05pm, V 227 | Aug 17–Dec 12 | Troy M. Kuersten | 6 of 24 open |

## ASTR 0013 — Laboratory Astronomy (1 units)

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 84280 | 100 | In person | Mon/Wed 9:30–10:50am, V 227 | Aug 17–Dec 12 | Barry A. Rice | 18 of 24 open |
| 84282 | 120 | In person | Tue/Thu 11:00am–12:20pm, V 227 | Aug 17–Dec 12 | Barry A. Rice | 14 of 24 open |

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

| CRN | Section | Format | Meets | Dates | Instructor | Seats |
| --- | --- | --- | --- | --- | --- | --- |
| 81879 | 101 | In person | Tue/Thu 12:30–1:50pm, V 227 | Aug 17–Dec 12 | David E. Dunn | 5 of 24 open, 1 waitlisted |