7:30 pm - 10:00 pm Astrophysics Special Interest Group April 29, 2022 @ 7:30 pm - 10:00 pm PDT Astrophysics Special Interest Group The monthly meeting of the Astrophysics Special Interest Group at 7:30 at the Heritage Museum. Please contact the SIG chair for details and requirements. See the Contacts section of the website for details on contacting the group.