Welcome to Astro 109

Welcome to the Astronomy 109 - Spring 2017! On this site, you can find up-to-date information about the lab sections, the TAs, the TA help-room hours, MLO trips, and more! Click the links above.

Announcements

Last day to Add/Drop classes is January 31.

All Astronomy 109 Students will need to purchase a copy of the Astronomy Lab Manual from the SDSU Bookstore.