The aluminum-domed Crosby Observatory atop Orlando Science Center houses Florida’s largest publicly accessible refractor telescope. This one-of-a-kind custom-built telescope, along with several smaller scopes, are available at selected times for solar and night sky viewing.

Peer through the powerful, 10-inch lens of the refractor telescope to view the planets, the four moons of Jupiter, the rings of Saturn and deep sky objects such as galaxies, nebulas and double stars.


All activities and events in the Crosby Observatory are weather permitting only.

Observatory hours are subject to change based on weather conditions in the area.

Science Night Live

Upcoming Dates: October 6. Please check the Science Night Live page for more details.

An “adult swim” of the science variety, the event features everything great about the Science Center. Experience all four floors of exhibits, films and hands-on programming aimed specifically for grown-ups, while enjoying adult food and beverages available for purchase. Must be 21 and older.



Solar Viewing

Solar Viewing takes place the 2nd Saturday of every month from 3:00 p.m. to 5:00 p.m. This program is weather permitting.

Get a more in-depth look at the closest star to the Earth — our sun! After checking out the sun, learn about the telescopes that let us explore the solar system. Please remember that observing outer space requires good weather here on Earth.



Star-Studded Evenings

Fridays & Saturdays, November 9th – February 24th from 5:00 p.m. to 9:00 p.m.

Join us this fall and winter for Star-Studded Evenings This is your chance to experience some of Orlando Science Center’s programming after dark. Stargaze in the Observatory and see a feature-length film for just $10 per person after 5:00 p.m. (free for OSC members)


Local Astronomy Group

Interested in joining a local astronomy group? Check out the Central Florida Astronomical Society.

CFAS activities include monthly meetings featuring guest speakers, monthly observing sessions at several sites across Central Florida, publication of a web information site, and public observing sessions when events of significant interest occur. For more information, visit their site at

The Crosby Observatory is also available for private star-gazing parties – visit Meetings & Events for more information.


Astronomy Question & Answer Email

Got a question of a celestial nature? Email us and we will get you an answer!



You can Adopt-A-Star in support of our astronomy programs. Orlando Science Center adoptions make unique gifts, great class projects and fun family activities. Adoption packets include personalized certificates, educational material and more.

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