The original design for Mt. Cuba Observatory called for a central pentagram, with 5 attached wings (top).  Construction on the central portion and two wings containing a library and a machine shop, began in the early 1960s.  

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