At the Cincinnati Observatory

It’s not a bird, it’s not a plane, it’s not a UFO! 

That bright light in the sky just after dark is the planet Venus and you’ve probably seen it on your drive home from work or school.  This is your chance to marvel at the planet up close and personal through the Observatory telescopes.

Venus Friday includes talks that share the latest NASA images, tours of the Observatory buildings, and viewing of Venus and the Moon through the historic telescopes (weather permitting). 

Admission:     $10/adult, $5/kid

Free for Observatory members (Join that night and get free admission)

No reservations required.  Perfect for all ages.

For more info call 513-321-5186.

SORRY - This Session is SOLD OUT

Looking for a romantic Saturday night out under the stars? Come see what the Observatory is like after hours. You'll get to use the big telescope to view astronomical objects that are not visible until late at night (weather permitting). Get a sneak preview of the next season's planets and stars a month or two ahead of everyone else.

THIS SESSION IS SOLD OUT

A Short Course at the Cincinnati Observatory

Resolve to learn more astronomy in 2020.  This introductory astronomy course is perfect for beginners who want to know more about observing the night sky.

Led by Cincinnati Observatory astronomer Dean Regas, and author of 100 Things to See in the Night Sky, this course will show you the stars.  You will learn how to identify stars, constellations, and planets as well as viewing tips for the Moon.  Each night includes viewing through the historic telescopes. 

 Cost:   $50 for the series
            $40 for Observatory members

To register  Sign Up Online  or call 513-321-5186.

Attention Moon lovers and Luna-tics!  This is one program you cannot miss. 

Enjoy a special presentation about the Moon including phases, features, eclipses, missions, and myths.  Then, the Moon will hit your eye like a big pizza pie when you look through our historic telescope (weather permitting). 

This is also the night of a Supermoon, so don’t miss Moon-rise at 7:48pm

Admission:     $5/person donation requested

Space is limited. Reservations required by calling 513-321-5186.

Explore space from the Earth and beyond! Fly past the moon, the planets, the stars, and galaxies to the edge of what is known. Bring your questions about the Cosmos, and our Observatory Scientist will answer as many as he can. View through the oldest operational telescope in the country, weather permitting.  Ad Astra!

About Your Instructor: Aaron Eiben is a self-proclaimed nerd with bachelor's and master's degrees in physics from the University of Cincinnati.

Cost: $39.00

This class is offered through UC Communiversity a non-credit, continuing education program for people of all ages and backgrounds.

To register, please call UC Communiversity at 513-556-6932 or 

Celebrate your favorite mathematical constant π.  March 14 (3.14) is Pi Day.

The Cincinnati Observatory will host a Pi Day great for all ages. Visitors will demonstrate Pi in action, and be able to easily measure the circumference, area, and volume of the domes and planets.

And we'll have various pies provided by O Pie O

Weather permitting, we will use the historic telescopes to view Venus and the stars in the night sky.

Admission:     $15/adult, $10/child, $10 for Observatory members

Space is limited.  Reservations required by calling 513-321-5186 or

Star clusters, nebulas, and galaxies oh my. We’ll journey far from home to the far reaches of the universe.

Astronomer Dean Regas leads these classes and will also be your guide to the stars and planets of the season and point them out with you in the real sky with the Observatory telescopes (weather permitting).

Cost per class: 
$15 per person
$12 for Observatory members

Sign Up Online or Call 513-321-5186.

Looking for a romantic Saturday night out under the stars? Come see what the Observatory is like after hours. You'll get to use the big telescope to view astronomical objects that are not visible until late at night (weather permitting). Get a sneak preview of the next season's planets and stars a month or two ahead of everyone else.

If the weather does not permit viewing, we’ll have fun showing you around the universe at behind the scenes at the Observatory.

Admission is $25 per person.

Space is limited. Adults only.

For more info please call 513-321-5186, or...

Not all Moons are created equal.  Sometime the Moon is closer to Earth and other times it is farther.  But can you tell?  Astronomer Dean Regas takes you to the Moon and back and delves into the Supermoon phenomenon.

Cost per class: 
$15 per person
$12 for Observatory members

Sign Up Online or Call 513-321-5186.

Rocket through space and sail among billions of stars and galaxies. Along the way you’ll stop at the Moon and individual planets. Then you’ll make the jump to light speed and head to interstellar space and see all the galaxies in the universe. Don’t worry, he’ll have you back home in time for bed. 

Astronomer Dean Regas leads these classes and will also be your guide to the stars and planets of the season and point them out with you in the real sky with the Observatory telescopes (weather permitting).

Cost per class: 
$15 per person
$12 for Observatory members

Sign Up Online or Call 513-321-5186.