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MCAO was constructed in the early 1960s.  The observatory houses a 24 inch (0.6m) Tinsley telescope, seen here arriving via crane for installation into the dome.  The telescope is the main research instrument, studying everything from asteroids to flare stars to pulsating white dwarfs during its lifetime.  

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