2024, January 12-14:  Early Winter Evening Moon with Saturn

The moon, January 15, 2021
Photo Caption – 2021, January 15: The thin waxing moon with earthshine, reflected sunlight from Earth’s features gently illuminates the lunar night.

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by Jeffrey L. Hunt

Summaries of Current Sky Events
Summary for Venus as a Morning Star, 2023-24

Moon with Saturn

Early Winter Evening Moon with Saturn - 2024, January 12-14: The crescent moon waxes in the southwest after sundown.
Chart Caption – 2024, January 12-14: The crescent moon waxes in the southwest after sundown.

After the New moon phase that occurred yesterday, the waxing crescent moon appears in the southwest after sundown.

Here’s what to look for:

January 12:  At forty-five minutes after sundown, the crescent moon, 3% illuminated, is about 5° up in the southwest, over 20° to the lower right of Saturn.

January 13: Again, this evening, the crescent moon is nearly 20° above the southwest horizon.  The phase is 9% illuminated. It is 8.2° to the lower right of Saturn.  The star Deneb Algedi, Capricornus’ tail, is 3.4° to the crescent’s lower right. A binocular is helpful to see the star in the same field of view with the moon. Look for Fomalhaut, the mouth of the southern fish, over 18° to the lower left of the lunar crescent and nearly 20° to the lower left of Saturn.

January 14: The crescent moon, 16% illuminated, is one-third of the way from the southwest horizon to overhead.  It is 7.2° to the upper left of Saturn.

Each evening, look for earthshine between the moon’s cusps or horns.  This soft light is sunlight reflected from Earth’s oceans, clouds, and land.  From the moon, Earth’s phase is just past the Full phase.  The light illuminates the lunar night.

Earthshine

2023, May 22: Brilliant Venus and the crescent moon, with earthshine,
Photo Caption – 2023, May 22: Brilliant Venus and the crescent moon, with earthshine,

Earthshine is visible without a binocular, although the effect is impressive with the optical assistance.  Photograph it with a tripod-mounted camera with exposures up to a few seconds, depending on the camera’s settings.

During the next few evenings look for the early winter evening moon with Saturn.

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