We are (www.svas.org) or Sacramento Valley Astronomical Society, and we are the oldest Astronomy group (Since 1945) of amateur/professional astronomers promoting an interest in Astronomy. Join us at various locations and also at our Observatory high in the Sierras.
Tom Field, a regular contributor to Sky & Telescope magazine, will give a Zoom lecture on spectroscopy (identifying the composition of stars and nebulae, as well as the motion of galaxies and quasars, by their light emissions. The Zoom link will be posted here the week of August 21. Stay tuned!