We are dedicated to advancing the knowledge of astronomy, optics, telescope making, and the wonders of our universe. LearnGriffith Observatory Star Parties.Members teach members and the public about astronomy.Astronomy Outreach, School Science Nights. Build Optics.Grind your own mirror.Making your own mirror instructions.Build your own Telescope. ExperienceMt. Wilson 100” Telescope.Mt. Wilson’s 60” and 100” telescopes are available for LAAS viewing sessions during the normal Mt Wilson Season.