2021, May 30 – 2021, June 2: Morning Moon Passes Planets


May 30, 2021 – June 2, 2021:  The gibbous moon passes bright Jupiter and Saturn before sunrise each morning.  May 30, the moon is the lower right of Saturn.  May 31, the moon is to the lower left of Saturn.  On June 1 and June 2, the lunar orb is near Jupiter.

Chart Caption – 2021, May 30 – June 2: The gibbous moon passes morning planets Jupiter and Saturn.

by Jeffrey L. Hunt

The bright gibbous moon passes bright Jupiter and Saturn before sunrise for four mornings.

About an hour before sunrise, step outside and look southward.  The bright moon is low in the sky.  The two morning planets are nearby.  They resemble bright stars in the sky. 

Jupiter is the brightest star in the morning sky.  Saturn is dimmer than Jupiter, Arcturus, and Vega.  Note that the star Fomalhaut is near the horizon, below Jupiter

Jupiter is slowly moving eastward in Aquarius.  Saturn is about 18° to the right (west) of Jupiter.  The Ringed Wonder is retrograding in Capricornus.

Here’s what to look for:

May 30:  Saturn is nearly one-third of the way up in the south-southeast.  The gibbous moon, 80% illuminated – over 10° to the lower right of Saturn.

May 31: The moon (70%) is nearly 25° up in the south-southeast, 6.0° to the lower left of Saturn. 

Chart Caption – 2021, June 1: The moon is to the lower right of bright Jupiter before sunrise.

June 1:The lunar orb (60%) is nearly 24° up in the southeast. Bright Jupiter is 5.3° to the moon’s upper left.

Chart Caption – 2021, June 2: This morning, the moon is 12.6° to the lower left of Jupiter. The Jupiter – Saturn gap is 18.2°.

June 2: The moon (49%) is over 22° above the southeastern horizon and 12.6° to the lower left of bright Jupiter. 

Articles and Summaries.

2021, June 15: Moon, Sickle of Leo

June 15, 2021:  The moon is with the Sickle of Leo this evening.  Step outside about an hour after sunset to find the crescent moon that is about 30% illuminated over one-third of the way up in the west.

2021, July 12: Venus – Mars Conjunction

July 12, 2021:  Venus – Mars conjunction evening.  Evening Star Venus passes 0.5° to the upper right of the Red Planet.  The crescent moon is nearby. This is the first of three conjunctions of Venus and Mars – a triple conjunction.

2021, July 1, Saturn – Mars Opposition

July 1, 2021:  Saturn and Mars are in opposite directions in the sky.  Mars sets as Saturn rises. In about a week, the two planets are visible in the sky at the same time.  This event signals that the planet parade is starting to reorganize. During July, three other planet – planet oppositions occur, leading up to a challenging view of the five bright planets during mid-August.

2021, June 13: Moon Passes Mars

June 13, 2021:  After sunset, look for the thin crescent moon near Mars.  The lunar sliver is also to the upper left of the star Pollux.

Categories: Astronomy, Sky Watching

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