Some people promise you the stars. We deliver.

Welcome to the Santa Cruz Astronomy Club

The Santa Cruz Astronomy Club serves all communities in Santa Cruz County, California and neighboring areas. Our emphasis is telescope observing, family participation, and public enjoyment of the wonders of the starry night. Check the events or calendar for our schedule...

We meet on the Second Thursday of every month at 7:00pm, at the Harvey West Park Club House, and hold several star parties per month, formerly at the Bonny Doon Airport, weather permitting. We are currently looking for a new regular observing site, and trying out various others

Various of our club members volunteer to provide a viewing experience to the public. We may randomly do sidewalk astronomy around the area, as well as occasional school and camp groups.

If you're thinking of coming to one of our viewing events, its always a good idea to check the club's email list for last minute updates, you can view the most recent posts on the list archives



Bonny Doon Clear Sky Clock

SCAC Annual BBQ & Potluck


SCAC at GSSP 2015

We had a great time at the Golden State Star Party this year.


June 11 presentation on "Circumstellar Disks Around Young Stars"

Dr. Roger Knacke, Penn State University (ret) will give the featured presentation for the June 11 club meeting. Don't miss this fantastic presentation... 

Steve Gottlieb's talk on 2015-05-14

Steve talks about the discovery of the spiral structure of galaxies, and how observers expectations blinded them to something so obvious.


this is about 90 minutes long, but the main talk ends at 1h 10m, then we have about 10 minutes of Q&A and 10 mins of club business.

Steve Gottlieb presents "Unwrapping the Visual Discovery of Spiral Nebula" for May 14 meeting

For our May 14 meeting, Steve Gottlieb, a contributing editor for Sky & Telescope, will be our featured speaker on "Unwrapping the Visual Discovery of Spiral Nebula".  This is the story of William Parsons' (Third Earl of Rosse) first visual observations of M51 with his massive 72-inch speculum reflector in the spring of 1845 and the subsequent discovery of spiral structure in dozens of "nebulae".  The context is how our biases and expectations affect our visual perception at the eyepiece.  Eyepiece sketches of several spirals by R


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