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Observe The Moon Night Resources

Updated for 2020: Make a Moon Phases Calendar and Calculator

Printable, buildable moon phase calculation wheel.
Image Credit: NASA/Jet Propulsion Laboratory-Caltech
Published: December 22, 2017

Have you ever wondered when the next full Moon will be? How about the first quarter moon? Now you can have all the dates and times for all the Moon phases for the year at your fingertips by building your own Moon Phases Calendar and Calculator!

› Download the Activity and Instructions

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This animation shows the geocentric phase, libration, position angle of the axis, and apparent diameter of the Moon throughout the year 2019, at hourly intervals. The imagery is based on actual dat...
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This animation shows the geocentric phase, libration, position angle of the axis, and apparent diameter of the Moon throughout the year 2019, at hourly intervals, based on data from NASA's Lunar Reconnaissance Orbiter.
Moon Phase and Libration, 2019
Customize with your event information!
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Word document
Press Release Template - 2020
A shock of color on the Moon! The Lassell Massif (a so-called "red spot") in Mare Nubium appears orange in the center of this color composite image from the Wide Angle Camera aboard NASA's Lunar Re...
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lunar surface with craters, seen from above
Color of the Lassell Massif
Astronaut David R. Scott, right, commander of the Apollo 15 mission, gets a close look at the sample referred to as "Genesis rock."
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Astronaut David R. Scott, right, commander of the Apollo 15 mission, gets a close look at the sample referred to as "Genesis rock."
Genesis Rock
Make your own International Observe the Moon Night flyer or poster 
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Event flyer with blank space for customization
Make Your Own International Observe the Moon Night Event Flyer/Poster
Animation of before-and-after images of a new 39-foot (12-meter) impact crater on the Moon, obtained by NASA's Lunar Reconnaissance Orbiter.
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alternating images showing lunar plain before and after the appearance of a small impact crater
Dynamic Moon!
The far side of Earth's Moon.
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Far side of Earth's Moon
Lunar Far Side
This spectacular view across the rim of the Moon's Wallach crater, 3.5 miles (5700 meters) across, comes from NASA's Lunar Reconnaissance Orbiter. It was taken when the spacecraft was just 58 miles...
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crater seen almost edge-on
Wallach Crater
Rima Prinz is a channel carved by an immense lava flow. 
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a valley on the Moon
Rima Prinz and Vera
Get out your red/blue anaglyph glasses for a three-dimensional treat! This extreme closeup of the south side of the Moon's Tycho Crater shows melt flows and pools, small craters, sagging slopes tha...
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red-blue 3D look at rough lunar terrain
The South Side of Tycho Crater in 3D
Moonrise over the Syr Darya river.
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Moonrise over the Syr Darya river.
Moonrise Over the Syr Darya River
This video explains how our moon creates a solar eclipse.
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Video on how our moon creates a solar eclipse.
The Moon's Role in a Solar Eclipse
The near side of Earth's Moon, as seen based on data from cameras aboard NASA's robotic Lunar Reconnaissance Orbiter spacecraft.
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Near side of Earth's Moon
Lunar Near Side
A spectacular oblique view of the rim of Shackleton crater near the south pole of the Moon.
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bright, curving crater rim amid darkness
On the Rim!
NASA’s Lunar Reconnaissance Orbiter captured this detailed look at the floor of Komarov crater on the far side of the Moon. 
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deep grooves in gray lunar terrain
Fractured Crater
View the Moon's phase and libration leading up to the 2020 Halloween Blue Moon.
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An animation showing the phase and libration of the Moon during October, 2020, highlighting the two Full Moons in that month, with labels.
Halloween Blue Moon
Save the date for International Observe the Moon Night 2020!
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Whimsical illustration of people observing the Moon in a postcard format. The postcard advertises that International Observe the Moon Night is on September 26, 2020.
International Observe the Moon Night Save the Date Postcard 2020
The Moon is seen as it sets behind the National Capitol Columns at the US National Arboretum on Wednesday, Jan. 31, 2018 in Washington.
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Moon rising over trees.
Super Blue Blood Moon
In October 2017, The Lunar Reconnaissance Orbiter celebrated 100 lunar days of being at the Moon. That's about eight Earth years.
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Two videos explaining Lunar Reconnaissance Orbiter's exploration of Earth's Moon.
100 Lunar Days - Parts I and II
A simple visualization of Moon orbiting Earth in a view from the north ecliptic pole.
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A simple visualization of Moon orbiting Earth in a view from the north ecliptic pole.
Earth and Moon
The Lunar Reconnaissance Orbiter Camera imaged this bright young ray crater on Nov. 3, 2018. The Sun shone from the west (left). This image covers an area about five miles (8.1 kilometers) across. 
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bright crater seen from directly above
Lunar Beauty
The view of the July 27, 2018 total lunar eclipse from the desert in Abu Dhabi, United Arab Emirates.
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Views of the eclipsed Moon.
Total Lunar Eclipse from Abu Dhabi
Moore F, a 15-mile (24-kilometer) wide impact crater on the far side of the Moon, as seen by NASA's Lunar Reconnaissance Orbiter.
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crater with deep shadows
Moore F Crater
Apollo 17's Gene Cernan drives the lunar roving vehicle during the early part of the first moonwalk at the Taurus-Littrow landing site. The Lunar Module is in the background.
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Man in moon buggy on the Moon.
Apollo 17: Gene Cernan in Lunar Roving Vehicle
LRO: Seeing the Moon Lithograph
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First page of the LRO: Seeing the Moon lithograph
LRO: Seeing the Moon Lithograph

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