What the Moon looks like now.

Produces an image of the Moon for the given date.

A date selectable calendar displaying the phases of the Moon for the given month and year. All phases are calculated at 0 UTC. Also includes a phase table for the given year.

A date selectable calendar displaying the phases of the Moon for the given year as a strip chart. All phases are calculated at 0 UTC.

Date selectable tables displaying lunar and solar eclipses for the given year.

Produces a table containing the Moon rise, transit and set times for the given date and repetitions. Empty cells indicate the event does not occur on that date.

A simple lunar atlas for learning the names of features. Click in the center of a feature to view information.

Displays a table listing features within 2° of the lunar terminator for the given date.

Produces a table containing UTC, MJD, ecliptic longitudes for the Sun and Moon, Earth-Moon distances and illuminated fraction of the Moon's disk for the given year.

Produces a plot of the Earth-Moon distance for the given year.

Produces a table containing the UTC date; local date; apparent geocentric equatorial and horizontal coordinates; and distance for the given date, location and output parameters.

Produces a table containing the UTC date; local date; apparent topocentric equatorial and horizontal coordinates; and distance for the given date, location and output parameters.

Produces a table containing the Sun rise, transit and set times for the given date and repetitions.

Calculate the height of lunar features from photos you've taken of the Moon. Based on the January 1985 article published in S&T magazine.

An example video created by the Moon rendering engine demonstrating libration over one lunation.