Observatory Open Houses

Observatory Open Houses

An Evening with the Celestials


Come enjoy a night of star gazing and telescope viewing at Hawthorn Hollow’s Schoolyard Observatory. 


Monthly Observatory Open Houses. 

A variety of telescopes will be on hand with volunteers to guide you in seeing the night’s brightest objects. You are also welcome to bring your own binoculars or telescopes. Free Family/Adult event (weather permitting). Questions? Feel free to email: Observatory@HawthornHollow.org

Observatory Open House Dates 2020

All Saturdays / Times Vary

January 25th  6pm-10pm
February 29th  7pm-11pm
March 28th  8pm-12am
April 18th  8:30pm-12:30am
May 2nd  8:30pm-12:30pm (Spring Astronomy Day)
May  24th  9pm-1am
June 27th  11am-1pm (Daytime Open House)
July 25th  9pm-1am
August 22nd  9pm-1am
September 26th  Noon-3pm (Solar Saturday)
October 24th  7pm-11pm
November  21th  6pm-10pm
December 12th  6pm-10pm (Geminid Open House)

(Weather cancellations made the night before on Twitter & in the Facebook event).

Other Programs

 The observatory hosts daytime and nighttime field trips & classes, scout merit badge workshops as well as star parties. Please send inquiries or requests for events to:

The Observatory Telescope

The Charles and Kathryn Heide Schoolyard Observatory at Hawthorn Hollow features a Meade LX200 – ACF 16″ telescope on an Alt-Az mount in an automated dome as well as two mounts for smaller telescopes outside the dome.

It’s Maple Sugarin’ Time!

It’s Maple Sugarin’ Time!

March is Maple


   Now offering k-5 Field Trips and Adult/Family Classes. 

Register now!

It’s Maple Sugarin’ Time at Hawthorn Hollow!  Come join us as we tap the trees in our sugar bush during the month of March.  Visitors will take a journey back in time and discover the magic of maple

The Sugar Maple and history of maple sugaring is an important part of Wisconsin’s heritage.  Through hands on activities  participants will experience through hands-on activities the arts and traditions of tapping a maple tree.  The visit provides a history of Native American traditions and techniques for capturing, collecting and cooking of maple syrup.

This program is for families and adults. It is a 2 hour outdoor program. Dress for the weather! Wear warm coats, hats, mittens, and boots if there is snow on the ground.

Field trips

We offer morning and afternoon sessions, Tuesday through Friday. Class size is limited 10 – 30 students, accommodating up to 60 students per session. Field trips are offered Tuesdays – Fridays in March. This program is tailored for grades k-5. Fee is $6 per person.


Adult & Family Programs

Offered Saturdays the 14th and 21st in March, 10am to Noon. Children 3-11 are $6. 12 to Adult are $10 each. For groups of 10 or more, please call us for price discounts and scheduling.


Please call us at 262-552-8196 or email theHollow@HawthornHollow.org. Payment must be received in advance.


Hawthorn Hollow

880 Green Bay Road
Kenosha, WI 53144

Contact Us