Astronomy Events

The Central Coast Astronomical Society is thrilled to announce a special overnight field trip to the historic Mt. Wilson Observatory in Pasadena, home of the famous 60-inch and 100-inch telescopes that changed our understanding of the universe. Trip Plan Departure: Noon from San Luis Obispo (date TBA) Arrival at Mt. [Read More…]

Have you ever wanted to contribute to real astronomical research using one of the most historic telescopes in the world? This September, you can! From September 21 to 26, 2025, a unique opportunity is available for amateur astronomers, students, and science enthusiasts to participate in a five-day Astronomy Research Seminar [Read More…]

CCAS president Aurora Lipper and CCAS amateur astronomers Kent Wallace and Brian Cox provide a tour of the summer sky for August. This video premieres August 1, 2021 at 5PM (PDT)

Join CCAS officer, Dr. Lee Coombs as he presents a tour of the Moon. He will discuss its formation and terrain while diving deep into the features that one can observe starting with the 5 day Moon, and ending with the 11 day Moon. This will include features that one [Read More…]

Wow – nothing says holiday gift more than a scientific instrument to look at the stars. The trouble is, most people are so excited about the instrument that they forget they still don’t know how to use it. A telescope is pretty useless unless you know where to point it, and [Read More…]

Don’t forget about the upcoming meteor shower! The moon’s minimal (yay!) and you don’t even need a telescope – just go outside and look up! Try to find a space away from city lights, and enjoy it with a friend.

A lunar month takes 29.53 days. This is the amount of time it takes for the Moon to complete a cycle through all the phases, from new moon to full moon and then back to new moon again. This is very close to the length of a month in the [Read More…]