Astronomy organizations of all types have regular public events. In 2009, in recognition of the International Year of Astronomy (IYA2009) the number and diversity of events available was unprecedented. The entire Wisconsin astronomical community coordinated events around IYA2009.

Although IYA2009 has come and gone, organizations all across Wisconsin continue to have regular public and special events. We will highlight a few of the special events on this page. Remember to check our Calendar page for a complete schedule of all things astronomical in Wisconsin.

Astronomy Swap & Shop

The Sheboygan Astronomical Society is hosting their Astronomy Swap & Shop at the Aviation Heritage Museum, but it has been postponed from its original March date, and will be held on Saturday, October 23, 2021. Bring anything you’d like to sell or swap, or just come as you are and meet your fellow Wisconsin stargazers.