Astronomy Events

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…]

Join CCAS Officer, 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 can [Read More…]

A comet visiting from the most distant parts of our solar system is putting on a spectacular nighttime display. Named Comet C/2020 F3 NEOWISE, the comet made its once-in-our-lifetimes close approach to the Sun on July 3, 2020, and will cross outside Earth’s orbit on its way back to the [Read More…]

The annual SAS Symposium has become one of the premiere events for amateur astronomers and for building pro-am collaborations. Amateurs, and some professionals, make presentations covering a wide range of topics, from imaging basics, to photometry, to spectroscopy, to instrumentation, and more. Club Members can register for free here. Observing [Read More…]

Why do we study comets? They are small objects that allow us to study the outer solar system and deep space without actually having to go there, because they conveniently bring in material to us as they pass the sun. We can see comets with telescopes, binoculars, and sometimes even [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. Here are some resources: EarthSky Space.com Wiki