Welcome to Tri-State Astronomy Club, Tri-State Astronomy Club is a Private Members Only Astronomy Club located in Sioux Falls South Dakota. We are a group of astronomers that are interested in promoting Astronomy and teaching the general public the basics of astronomy.

Due to Current Covid 19 Out break, our club is not doing any public or private gatherings.  We hope to be back into our routine later in September 2021.

For current events please check out Events Calendar.