Fast Schedule

Astronomy ASTR

Fall 2026 · 36 sections · seat counts as of Oct 15, 2026

Catalog: Astronomy courses in the 2026-2027 Catalog

ASTR 5 Introduction to Astronomy · 3 units

Course description

CRNMeetsDatesInstructorSeats
21844
01
In person Mt. San Antonio College
Sat 9:00am–12:10pm, 11 - Science North 2119
Aug 24–Dec 13Scott M PhelpsFull (36/36)
21845
02
In person Mt. San Antonio College
Mon/Wed 9:45–11:10am, Bldg 60 1306
Aug 24–Dec 13Michael A Hood1 of 28 open
21846
03
In person Mt. San Antonio College
Mon/Wed 9:45–11:10am, 11 - Science North 2119
Aug 24–Dec 13Priscilla E Holguin LunaFull (39/36)
21847
04
In person Mt. San Antonio College
Tue/Thu 9:45–11:10am, 11 - Science North 2119
Aug 24–Dec 13Micol H Christopher3 of 36 open
21848
05
In person Mt. San Antonio College
Mon/Wed 11:30am–12:55pm, 11 - Science North 2119
Aug 24–Dec 13Peter G Halverson5 of 36 open
21849
06
In person Mt. San Antonio College
Tue/Thu 11:30am–12:55pm, 11 - Science North 2119
Aug 24–Dec 13Micol H Christopher1 of 36 open
21850
07
In person Mt. San Antonio College
Mon/Wed 1:15–2:40pm, 11 - Science North 2119
Aug 24–Dec 13Andranik A Mkrtchyan3 of 36 open
21853
09
In person Mt. San Antonio College
Mon/Wed 3:00–4:25pm, 11 - Science North 2119
Aug 24–Dec 13Jonathan A Conrad4 of 36 open
21854
10
Online anytime
Aug 24–Dec 13Micol H ChristopherFull (38/36), 2 waitlisted
21856
11
Online anytime
Aug 24–Dec 13Micol H ChristopherFull (39/36), 4 waitlisted
21858
12
Online anytime
Aug 24–Dec 13Priscilla E Holguin Luna3 of 36 open, 2 waitlisted
21859
13
Online anytime
Aug 24–Dec 13Priscilla E Holguin Luna3 of 36 open
21860
14
Online anytime
Aug 24–Dec 13Kaoru Kamiya1 of 36 open, 3 waitlisted
21861
15
Online anytime
Aug 24–Dec 13Adrian VillalobosFull (36/36)
21862
16
Online anytime
Aug 24–Dec 13Adrian Villalobos2 of 36 open
21863
17
Online anytime
Aug 24–Dec 13Cynthia H Ibrahim5 of 36 open, 3 waitlisted
21866
18
Online anytime
Aug 24–Dec 13Cynthia H Ibrahim5 of 36 open
25051
19
Online anytime
Aug 24–Dec 13Kaoru Kamiya1 of 36 open

ASTR 5H Introduction to Astronomy - Honors · 3 units

Course description

CRNMeetsDatesInstructorSeats
24068
In person Mt. San Antonio College
Tue 3:00–6:10pm, Bldg 60 1306
Aug 24–Dec 13Priscilla E Holguin Luna6 of 20 open

ASTR 5L Astronomical Observing Laboratory · 1 units

Course description

CRNMeetsDatesInstructorSeats
22192
01
In person Laboratory/Studio/Activity · Mt. San Antonio College
Mon/Wed 11:30am–12:55pm, Bldg 60 1306
Aug 24–Dec 13Michael A Hood1 of 28 open
22194
02
In person Laboratory/Studio/Activity · Mt. San Antonio College
Tue 11:30am–2:40pm, Bldg 60 1306
Aug 24–Dec 13Julie J Bray-Ali3 of 20 open
22195
03
In person Laboratory/Studio/Activity · Mt. San Antonio College
Sat 1:00–4:10pm, Bldg 60 1306
Aug 24–Dec 13Scott M Phelps4 of 20 open
22196
04
In person Laboratory/Studio/Activity · Mt. San Antonio College
Mon 1:15–4:30pm, Bldg 60 1306
Aug 24–Dec 13Julie J Bray-Ali4 of 20 open
22197
05
In person Laboratory/Studio/Activity · Mt. San Antonio College
Thu 3:00–6:10pm, Bldg 60 1306
Aug 24–Dec 13Priscilla E Holguin Luna2 of 20 open
22199
06
Online anytime
Aug 24–Dec 13Julie J Bray-Ali4 of 20 open
22200
07
Online anytime
Aug 24–Dec 13Julie J Bray-Ali2 of 20 open
22201
08
Online anytime
Aug 24–Dec 13Michael A HoodFull (20/20)
22202
09
Online anytime
Aug 24–Dec 13Michael A Hood5 of 20 open
22203
10
Online anytime
Aug 24–Dec 13Micol H ChristopherFull (27/20), 4 waitlisted
22204
11
Online anytime
Aug 24–Dec 13Micol H ChristopherFull (26/20), 2 waitlisted
22205
12
Online anytime
Oct 19–Dec 13Kaoru KamiyaFull (20/20)
24701
13
Online anytime
Aug 24–Dec 13Michael A Hood5 of 20 open

ASTR 7 Geology of the Solar System · 3 units

Course description

CRNMeetsDatesInstructorSeats
24066
In person Mt. San Antonio College
Tue/Thu 1:15–2:40pm, 11 - Science North 2119
Aug 24–Dec 13Dylan H Terry1 of 36 open

ASTR 8 Introduction to Stars, Galaxies, and the Universe · 3 units

Course description

CRNMeetsDatesInstructorSeats
21408
01
In person Mt. San Antonio College
Mon/Wed 11:30am–12:55pm, Bldg 61 1420
Aug 24–Dec 13Julie J Bray-Ali1 of 36 open
21409
02
Online anytime
Aug 24–Dec 13Julie J Bray-Ali5 of 36 open, 1 waitlisted

ASTR 99 Special Projects in Astronomy · 2 units

Course description

CRNMeetsDatesInstructorSeats
25017
Online anytime Other independent study
Aug 24–Dec 13Jessica L Draper4 of 5 open

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