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International Observe the Moon Night

An annual celebration of lunar observation, science, and exploration.
Image credit: lunar observer Leonardo Hoet

Composite of a photo of group of people outdoors at night. In the foreground, a woman stand near a large telescope and holds her phone camera to the eyepiece as some kids stand an watch. An image of the Moon and also swirling lines are overlaid over the photo.

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Your feedback helps us improve this program each year.

A young girl peers through a telescope while 2 people watch in the background.

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Submit your event photos and Moon art to the collaborative Flickr gallery.

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International Observe the Moon Night updates and lunar science highlights, straight to your inbox.

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Join our worldwide community. 

Thank you for Observing!

SAVE THE DATE! September 10, 2027

Each year, observers around the world come together to celebrate Earth's Moon through direct observations, hands-on activities, lunar-themed music, artwork, readings, and more.

Join in from wherever you are: attend or host a virtual or in-person event, or observe the Moon from home.

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How do YOU observe the Moon?

Let us know! Upload your lunar photography, Moon-themed art, and event photos to this year’s collaborative Flickr gallery.

Browse and Contribute about How do YOU observe the Moon?

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Image of Certificate of Participation for International Observe the Moon Night 2026

Participation Certificate

Print the official certificate for your event guests or yourself.

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Illustrated graphic showing a person using binoculars to look at a simple graphic representation of the Moon in the sky. A deer stands next to them, also looking up. The landscape in the background is a collage of many landmarks and ecosystems from around the world, silhouetted in shades of pink and purple. Inside the Moon are the words “Observe the Moon”. Below, prominent text reads "Save the Date September 10, 2027"

Save the Date 2027!

Next year's International Observe the Moon Night will take place on Friday, September 10.

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Graphic illustration of an envelope with the Observe the Moon logo and confetti

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Receive updates directly from the International Observe the Moon Night Coordinating Team by subscribing to our newsletter.

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Featured Resources

Photo of a tabletop with a cookie cake decorated to look like a crescent Moon, a stack of plates, a cardboard model of a spacecraft, and a TV screen with a video of the NASA broadcast. In the background is a large placcard of the establishment of the South Pole.

Top Moon Videos (2026)

Recommended videos for use at International Observe the Moon Night events or casual viewing.

A page of the Moon journal. There are rows of empty circles to represent the days in the month.

Moon Observation Journal

Spend the next month getting to know the Moon. 

Animation loop with Observe the Moon logo and September 19, 2026 in the center, against a night backdrop world landmarks.

Multimedia Resources

Find the materials you need to support your International Observe the Moon Night event.

Illustrated graphic showing a person using binoculars to look at a simple graphic representation of the Moon in the sky. A deer stands next to them, also looking up. The landscape in the background is a collage of many landmarks and ecosystems from around the world, silhouetted in shades of pink and purple. Inside the Moon are the words “Observe the Moon”. Below, prominent text reads "Save the Date September 10, 2027"

Save the Date for International Observe the Moon Night 2027

Next year's International Observe the Moon Night will take place on Friday, September 10.

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