Skip Navigation
menu close modal

Resources

International Observe the Moon Night 2021 Recap

Screenshot of the beginning of International Observe the Moon Night 2020 summary document.
Image Credit: NASA/Vi Nguyen
Published: December 21, 2021

This brochure provides an overview of International Observe the Moon Night and highlights quotes, images, and statistics from 2021’s event.

ENLARGE

Related

Now you can have all the dates and times for all the Moon phases for the year at your fingertips.
More
Printable, buildable moon phase calculation wheel.
Make a Moon Phases Calendar and Calculator
4. Oktober : Die Internationale Nacht der Mondbeobachtung 2025
More
Stylized illustration of an imagined landscape with world landmarks in the background. In the foreground silhouettes of people looking up at a large Moon in the night sky, with the text International Observe the Moon Night October 4, 2025. In the sky appears "Observe the Moon" translated in different languages.
Save the Date - German
This video explains how our moon creates a solar eclipse.
More
Video on how our moon creates a solar eclipse.
The Moon's Role in a Solar Eclipse
A ‘Harvest Moon’ rising over the foothills of the San Gabriel Mountains as seen from Pasadena, CA in September 2016.  A ‘Harvest Moon’ is the full moon nearest the start of Fall, or the autumnal eq...
More
moon rising over mountains
Harvest Moon
Bright Venus seen near the crescent Moon on July 15, 2018. 
More
Bright dot of Venus seen near the crescent Moon in a deep blue sky
Crescent and Venus
A mosaic of images from NASA's Lunar Reconnaissance Orbiter centered on the Moon's Orientale basin. 
More
A mosaic of images from NASA's Lunar Reconnaissance Orbiter centered on the Moon's Orientale basin.
Orientale Basin
Here's how our community observed the Moon in 2023.
More
Screenshot of the pages from International Observe the Moon Night 2023 summary document.
International Observe the Moon Night 2023 Recap
Moonrise over the Syr Darya river.
More
Moonrise over the Syr Darya river.
Moonrise Over the Syr Darya River
4 Oktober 2025 - Malam Pengamatan Bulan Internasional
More
Stylized illustration of an imagined landscape with world landmarks in the background. In the foreground silhouettes of people looking up at a large Moon in the night sky, with the text International Observe the Moon Night October 4, 2025. In the sky appears "Observe the Moon" translated in different languages.
Save the Date - Indonesian
The view of the July 27, 2018 total lunar eclipse from the desert in Abu Dhabi, United Arab Emirates.
More
Views of the eclipsed Moon.
Total Lunar Eclipse from Abu Dhabi
 2025년 10월 4일 : 국제 달 관측의 밤 
More
Stylized illustration of an imagined landscape with world landmarks in the background. In the foreground silhouettes of people looking up at a large Moon in the night sky, with the text International Observe the Moon Night October 4, 2025. In the sky appears "Observe the Moon" translated in different languages.
Save the Date - Korean
Every Moon phase in 2025.
More
Video showing the geocentric phase, libration, position angle of the axis, and apparent diameter of the Moon throughout the year 2025, at hourly intervals.
Moon Phase and Libration 2025
Points of interest on the Moon for International Observe the Moon Night 2024. Find them with your binoculars or telescopes!
More
Map of the Moon with points of interest highlighted for International Observe the Moon Night 2024
2024 Moon Maps for International Observe the Moon Night
Everyone. Everywhere. Every year. Celebrate International Observe the Moon Night with a global community. 
More
Whimsical illustration of hands reaching up to a Moon above a cityscape. Text says International Observe the Moon Night. Everyone. Everywhere. Every year.
Everyone. Everywhere. Every Year. International Observe the Moon Night
The six Apollo lunar landing sites are all relatively near the equator on the side of the Moon that faces the Earth. 
More
Graphic showing Apollo landing sites on the nearside of the Moon.
Apollo Landing Sites
Map showing where the Moon’s shadow will cross the U.S. during the 2023 annular solar eclipse and 2024 total solar eclipse.
More
Map showing where the Moon’s shadow will cross the U.S. during the 2023 annular solar eclipse and 2024 total solar eclipse.
2023 and 2024 Solar Eclipses: Map and Data
Tips for evaluating your International Observe the Moon Night event
More
Tips to evaluating your International Observe the Moon Night event
Evaluation Tips for International Observe the Moon Night
Use this flyer to advertise International Observe the Moon Night!
More
Flyer for International Observe the Moon Night that says "Join the global celebration Look at the Moon! Attend an event Host your own Listen to Moon-themed music Create Moon art"
Flyer for International Observe the Moon Night
4 de outubro: A Noite Internacional de Observação da Lua 2025
More
Stylized illustration of an imagined landscape with world landmarks in the background. In the foreground silhouettes of people looking up at a large Moon in the night sky, with the text International Observe the Moon Night October 4, 2025. In the sky appears "Observe the Moon" translated in different languages.
Save the Date - Portuguese
Print your own stickers for International Observe the Moon Night. 
More
Front side of sticker: The words "International Observe the Moon Night" are written to the right of a purple waning crescent moon. Back side of sticker: "Each International Observe the Moon Night, everyone on Earth is invited to learn about lunar science and exploration, take part in celestial observations, and honor cultural and personal connections to the Moon. You can participate from wherever you are. Join hundreds of thousands of observers around the globe by attending or hosting a virtual or in-person event or observing from home. International Observe the Moon Night has occurred in September or October every year since 2010. This worldwide public engagement program is sponsored by NASA's Lunar Reconnaissance Orbiter mission and the Solar System Exploration Division at NASA's Goddard Space Flight Center, with many contributors and supporters." The back side of the sticker also includes a NASA logo, a QR code, and "moon.nasa.gov/observe", "#ObserveTheMoon", and a product code: NP-2022-8-835-GSFC.
International Observe the Moon Night Sticker
Write a Moon Haiku
More
Haiku poem over a night sky with full Moon behind pine tree silhouette.
Write a Moon Haiku
Here's how our community observed the Moon in 2022.
More
Screenshot of the pages from International Observe the Moon Night 2022 summary document.
International Observe the Moon Night 2022 Recap
日 10月4 2025国际赏月夜
More
Stylized illustration of an imagined landscape with world landmarks in the background. In the foreground silhouettes of people looking up at a large Moon in the night sky, with the text International Observe the Moon Night October 4, 2025. In the sky appears "Observe the Moon" translated in different languages.
Save the Date - Mandarin
Presentation graphics
More
Stylized illustration of an imagined landscape with world landmarks in the background. In the foreground silhouettes of people looking up at a large Moon in the night sky, with the text International Observe the Moon Night October 4, 2025. In the sky appears "Observe the Moon" translated in different languages.
Presentation formats - Save the Date 2025
Download this certificate and add your name to celebrate your participation in International Observe the Moon Night 2024! 
More
Image of Certificate of Participation
2024 International Observe the Moon Night Certificate of Participation

You Might Also Like

Like Earth, the Moon has a day side and a night side, which change as the Moon rotates.
More
Diagram of the Moon's phases
Moon Phases
Between four and seven times a year, Earth, Moon and Sun line up just right to create the cosmic-scale shadow show known as an eclipse.
More
Composite of lunar eclipse phases over night sky
Eclipses
Several theories vie for dominance but most agree on one thing — Earth's Moon was born from destruction.
More
Artist depiction of two planets colliding.
Moon Formation