ASTR 101Introduction to Astronomy
3 credits34 sections at 9 collegesFall 202625 of 34 sections openUpdated today
Some sections are full
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In-Person: 21Online: 13
Transfer Equivalencies
| University | Equivalent Course | Status |
|---|---|---|
| California State University (system-wide) | TRANSFERABLECSUTC-listed transferable course | Elective Credit |
| University of California (system-wide) | TRANSFERABLEUCTCA-listed transferable course | Elective Credit |
| UC Irvine | Science courses (or lecture/lab combination) for Aerospace EngineeringScience courses (or lecture/lab combination) for Aerospace Engineering | Direct Match |
Availability Profile
How ASTR 101 is being offered across 9 colleges this term (34 sections total).
Delivery format
- in person21 (62%)
- online13 (38%)
When sections meet
- Morning (before noon)12
- Afternoon (noon–5 PM)9
- Asynchronous / TBA13
Start dates
Sections begin on 8 distinct dates. 4 late-start more than two weeks after the term's earliest start.
Instructor diversity
Taught by 19 distinct instructors across 9 colleges.
Compare colleges
Where to take ASTR 101 — sort and filter by when it meets, open seats, and format.
| College | Soonest section | Seats | Format | Sections |
|---|---|---|---|---|
| San Diego City CollegeAudit OK | Mon Wed 9:35 am–11:00 am | 216 seats open | In-person 6Online 1 | 7 |
| San Diego Mesa CollegeAudit OK | Mon Wed 12:45 pm–2:10 pm | 141 seats open | Online 4In-person 3 | 7 |
| Victor Valley CollegeAudit OK | Mon Wed 9:40 AM–11:10 AM | 129 seats open | In-person 6 | 6 |
| San Diego Miramar CollegeAudit OK | Thu 9:35 am–10:55 am | 80 seats open | Online 3In-person 1 | 4 |
| College of San MateoAudit OK | Tue 2:10 PM–5:00 PM | 40 seats open | In-person 2 | 2 |
| Canada CollegeAudit OK | Mon Wed 11:10 AM–12:25 PM | 21 seats open | In-person 1Online 1 | 2 |
| Skyline CollegeAudit OK | Thu 2:10 PM–5:00 PM | 4 seats open | In-person 1Online 1 | 2 |
| Antelope Valley Community College DistrictAudit OK | Mon Wed 11:00 AM–12:20 PM | 0 of 3 sections open | Online 2In-person 1 | 3 |
| College of MarinAudit OK | Online / async | — | Online 1 | 1 |
Seats and schedules are pulled automatically from each college's catalog and change in real time — confirm on the college's site before you register.
Not offered this term at 108 other colleges: Allan Hancock College, American River College, Bakersfield College, Barstow Community College, Berkeley City College, Butte College, and 102 more.
Available at 9 colleges
San Diego City CollegeAudit OK6 In-Person1 Online7 sections
San Diego City College
| CRN | Schedule | Instructor | Campus | Mode | Seats |
|---|---|---|---|---|---|
| 44334 | Mon Wed 9:35 am–11:00 am | Will,Lisa | San Diego City College | In-Person | 22 of 48 seats |
| 44335 | Mon Wed 12:45 pm–2:10 pm | Lopez,Mike Albert | San Diego City College | In-Person | 40 of 48 seats |
| 44337 | Thu 9:35 am–10:55 am | Scappaticci,Gerardo | San Diego City College | In-Person | 40 of 48 seats |
| 44338 | Thu 11:10 am–12:30 pm | Scappaticci,Gerardo | San Diego City College | In-Person | 36 of 48 seats |
| 44339 | Mon Wed 2:20 pm–3:45 pm | Lopez,Mike Albert | San Diego City College | In-Person | 43 of 48 seats |
| 44340 | No set meeting time | Levy,Lorenza | San Diego City College | Online | Full |
| 44461 | Mon Wed 8:35 am–10:05 am | TBD | San Diego City College | In-Person | 35 of 35 seats |
San Diego Mesa CollegeAudit OK4 Online3 In-Person7 sections
San Diego Mesa College
| CRN | Schedule | Instructor | Campus | Mode | Seats |
|---|---|---|---|---|---|
| 42695 | No set meeting time | Thompson IV,Walter Hugh | San Diego Mesa College | Online | 1 of 45 seats |
| 42696 | Mon Wed 12:45 pm–2:10 pm | Stojimirovic,Irena | San Diego Mesa College | In-Person | 33 of 45 seats |
| 42697 | No set meeting time | Sadjadi,Sina | San Diego Mesa College | Online | 12 of 45 seats |
| 42698 | No set meeting time | Sadjadi,Sina | San Diego Mesa College | Online | Full |
| 42722 | Thu 11:10 am–12:30 pm | Thompson IV,Walter Hugh | San Diego Mesa College | In-Person | 22 of 45 seats |
| 42738 | No set meeting time | Coleman,David | San Diego Mesa College | Online | 30 of 45 seats |
| 44492 | Thu 9:35 am–10:55 am | Thompson IV,Walter Hugh | San Diego Mesa College | In-Person | 43 of 45 seats |
Victor Valley CollegeAudit OK6 In-Person6 sections
Victor Valley College
| CRN | Schedule | Instructor | Campus | Mode | Seats |
|---|---|---|---|---|---|
| ASTR-101-70000 | Mon Wed 9:40 AM–11:10 AM | Dave Milewski | MAIN | In-Person | 22 of 28 seats |
| ASTR-101-70001 | Mon Wed 1:00 PM–2:30 PM | Dave Milewski | MAIN | In-Person | 22 of 28 seats |
| ASTR-101-70002 | Thu 2:20 PM–3:45 PM | Dave Milewski | MAIN | In-Person | 17 of 28 seats |
| ASTR-101-70003 | Thu 11:10 AM–12:35 PM | Dave Milewski | MAIN | In-Person | 21 of 28 seats |
| ASTR-101-70004 | Thu 8:00 AM–9:25 AM | Dave Milewski | MAIN | In-Person | 23 of 28 seats |
| ASTR-101-70005 | Mon Wed 4:20 PM–5:50 PM | Dave Milewski | MAIN | In-Person | 24 of 28 seats |
San Diego Miramar CollegeAudit OK3 Online1 In-Person4 sections
San Diego Miramar College
| CRN | Schedule | Instructor | Campus | Mode | Seats |
|---|---|---|---|---|---|
| 43850 | No set meeting time | Nanz,Robert | San Diego Miramar College | Online | 29 of 45 seats |
| 43855 | Thu 9:35 am–10:55 am | TBD | San Diego Miramar College | In-Person | 30 of 45 seats |
| 43865 | No set meeting time | Coleman,David | San Diego Miramar College | Online | 21 of 45 seats |
| 43870 | No set meeting time | Nanz,Robert | San Diego Miramar College | Online | Full |
Antelope Valley Community College DistrictAudit OK1 In-Person2 Online3 sections
Antelope Valley Community College District
| CRN | Schedule | Instructor | Campus | Mode | Seats |
|---|---|---|---|---|---|
| 73511 | Mon Wed 11:00 AM–12:20 PM | McGovern, Mark | Lancaster Campus | In-Person | Full |
| 77999 | No set meeting time | McGovern, Mark | Lancaster Campus | Online | Full |
| 78000 | No set meeting time | McGovern, Mark | Lancaster Campus | Online | Full |
Canada CollegeAudit OK1 In-Person1 Online2 sections
Canada College
| CRN | Schedule | Instructor | Campus | Mode | Seats |
|---|---|---|---|---|---|
| 97380 | Mon Wed 11:10 AM–12:25 PM | Attila Elteto | Canada College | In-Person | 21 of 25 seats |
| 93027 | No set meeting time | Jeanne G. Digel | Canada College | Online | Full |
College of San MateoAudit OK2 In-Person2 sections
College of San Mateo
| CRN | Schedule | Instructor | Campus | Mode | Seats |
|---|---|---|---|---|---|
| 81800 | Mon 2:10 PM–5:45 PM | CSM Math & Science Staff | College of San Mateo | In-Person | 18 of 35 seats |
| 90368 | Tue 2:10 PM–5:00 PM | Elisha F. Polomski | College of San Mateo | In-Person | 22 of 35 seats |
Skyline CollegeAudit OK1 In-Person1 Online2 sections
Skyline College
| CRN | Schedule | Instructor | Campus | Mode | Seats |
|---|---|---|---|---|---|
| 93507 | Thu 2:10 PM–5:00 PM | Mayra Lopez-Thibodeaux | Skyline College | In-Person | 4 of 25 seats |
| 94001 | No set meeting time | Gabriel E. Prochter | Skyline College | Online | Full |
College of MarinAudit OK1 Online1 section
College of Marin
| CRN | Schedule | Instructor | Campus | Mode | Seats |
|---|---|---|---|---|---|
| 80593 | No set meeting time | Grist, Gregg | Online Asynchronous | Online | — |