Horwitz-DeRemer Planetarium

Our current planetarium system has served us well for many years, but technology has advanced dramatically since it was installed. Upgrading to Digistar 2025 will ensure we can ...

Our current planetarium system has served us well for many years, but technology has advanced dramatically since it was installed. Upgrading to Digistar 2025 will ensure we can ...

Under a canopy of twinkling stars and familiar constellations, join sound healers Emily and Evan McDoniels of Soulshine Yoga for a calming journey inward. The session begins...

Join us for a relaxing session, combining gentle Qigong and Chair Yoga, enhanced by celestial visuals and calming sounds. Improve spinal mobility, release shoulder tension, and ...

Support the Horwitz-DeRemer Planetarium and help us continue inspiring wonder, curiosity, and a love of space in our community. As part of our “Don’t Let the Planetarium Go Dark...

Give to the Stars. Sip in Style. Support the Planetarium. The Horwitz-DeRemer Planetarium invites you to be part of something meaningful and take home a little piece of the cos...

Join us for an exciting night out at the ballpark while supporting a great cause! The Horwitz-DeRemer Planetarium is partnering with the Lake Country DockHounds for a special fund...

The Horwitz-DeRemer Planetarium offers public shows every Wednesday and Saturday. Showtimes are as follows: Wednesdays @ 11:00 am Saturdays @ 11:00 am and 1:00 pm

NEW from the Horwitz-DeRemer Planetarium...public show punch cards! You may purchased these in quantities of 5 or 10 visits. They would certainly make a great gift for any astrono...

Please view our NEW brochure that highlights our schedule for May - August. Want all of this information and more, please go to our events page. Remember the best place to ...

Please view our NEW brochure that highlights our schedule for May - August. Want all of this information and more, please go to our events page. Remember the best place to ...

Join us for the Beer Garden hosted by Friends of Retzer on Friday, July 31 from 4–8 PM at the beautiful Retzer Nature Center (S14 W28167 Madison St., Waukesha) for an evening fill...

Calling all young astronomy and art enthusiasts! Join the Horwitz-DeRemer Planetarium for the very first session of “Art Among the Stars.” Jenny Carter, a FRIEND of the Horwitz-De...