2020, September 24: Jupiter, Moon, Teapot

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On September 24, the Moon visits the “Teapot” shape of Sagittarius with the moon nearby.

by Jeffrey L. Hunt

During the early evening of September 24, look in the south for the gibbous moon that is 60% illuminated.  Bright Jupiter is 4.2° to the upper left of the lunar orb. Dimmer Saturn is to Jupiter’s upper left.

Look carefully at the stars to the lower right of the gibbous moon.  They are the main stars of the constellation Sagittarius. The stars resemble a kitchen teapot.  The star Nunki, cataloged as Sigma Sagittarii (σ Sgr), is part of the Teapot’s handle.  Use a binocular, if necessary, to see the shape.

Jupiter is moving eastward compared to the starry background.  Saturn retrogrades, an illusion of moving westward that occurs when the faster moving Earth passes between the sun and the slower moving outer planets.

Next week, Saturn resumes its eastward motion as Jupiter continues to close the gap to the Ringed Wonder toward their Great Conjunction on December 21, 2020. This is the closest conjunction since the Jupiter – Saturn conjunction of 1623.  Great Conjunctions occur every 19.6 years, but this is the closest for nearly 400 years.

Here’s where the moon is on the next evening.

Read more about the planets during September and October.

2021, April 25: Mercury-Venus Conjunction, Mars, Bright Moon

April 25, 2021: Mercury passes Evening Star Venus this evening after sunset.  Look low in the western sky about 20 minutes after sunset.  Mars is marching eastward in Gemini, near the star cluster Messier 35.  The bright moon is near Spica.

2021, April 24: Evening Star, Bright Mercury, Venus, Mars, Gibbous Moon

April 24, 2021:  Brilliant Evening Star Venus and bright Mercury are entering the evening sky.  They are low in the west-northwest during evening twilight.  The bright moon is in the southeast in Virgo.  Mars moves into Gemini as it approaches the star cluster Messier 35.

2021, April 24: Lunar Occultation, Morning Planets, Jupiter Saturn

April 24, 2021:  The bright gibbous moon is near a star in Virgo during the early morning.  From parts of the Western Hemisphere, the moon covers the star.  Before sunrise, bright morning planets, Jupiter and Saturn are in the southeast before sunrise.

2021, April 23: Evening Star Venus, Mercury, Mars, Moon

April 23, 2021: Evening Star Venus and Mercury are entering the evening sky.  They are found very low in the west-northwest after sunset.  The bright moon is in the southeastern sky during the early evening.  Mars is moving toward the star cluster Messier 35.



Categories: Astronomy, Sky Watching

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