Frequently asked questions

What are your regular office hours?


The observatory is open Monday-Friday 9am to 1 pm.




How can I make a reservation for Public Night?


There are several ways. First, you can use our "Contact Us" form here. Second, you can call the Observatory at 302-654-6407 Monday - Friday between 9 am and 1 pm. Thirdly, you can send email to kimgreenmcao@gmail.com with your request. Unfortunately, we currently do not accept Public Night reservations online.




How much are tickets to Public Night?


Your support is very important to our continuing programs. We ask for $5 for adults and $3 for children for all of our programs.




How do I make a reservation for the Vernon Lecture?


You can go to our Vernon Lecture page and click on the Reservations link. Or you can go to our schedule page and click on "Vernon Lecture Reservations". In both cases, you will need to fill out the registration form.




Will we be able to look through the telescope on Public Nights?


Unfortunately, we cannot guarantee that the weather will cooperate for telescope viewing. However, we will still hold our Public Night program, and guest will be treated to a visit to our Planetarium.




How do I schedule a special program for my group?


The best way to schedule a special program is to call the observatory Monday-Friday between the hours of 9 am and 1 pm. You can also send email to kimgreenmcao@gmail.com. Availability will depend on regularly scheduled programs. More information can be found here.




What are your COVID-19 restrictions?


Our COVID-19 restrictions can be found by clicking on the COVID-19 tab in the header.





Mt. Cuba Observatory

1610 Hillside Mill Rd

Wilmington, DE 19807

Office Hours: Mon - Fri 9 am - 1 pm

Please see COVID-19 statement

302-654-6407