2021, March 12: Jupiter, Saturn Morning Planets

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2021, March 12: Jupiter are low in the southeastern sky before sunrise. The star Theta Capricorni (θ Cap) is between them.

March 12, 2021: Look for Jupiter low in the southeast before sunrise.

by Jeffrey L. Hunt

Chicago, Illinois:  Sunrise, 6:07 a.m. CST; Sunset, 5:54 p.m. CST.  Check local sources for sunrise and sunset times for your location.

Jupiter and Saturn are low in the southeastern sky before sunrise.  Jupiter is brighter than Saturn.  The Jovian Giant is 9.5° to the lower left of the Ringed Wonder. 

Saturn is nearly 9° up in the sky.  You’ll need a cloud-free sky and an unobstructed horizon to see them about 45 minutes before sunrise.

Use a binocular to locate the star Theta Capricorni (θ Cap on the chart).  The star is nearly midway between the two planets.

Detailed Note: Forty-five minutes before sunrise, Saturn is nearly 9° above the southeast horizon.  Over 4° in altitude, Jupiter is 9.5° to Saturn’s lower left.  Use a binocular to locate Theta Capricorni (θ Cap, m = 4.1) nearly midway between the two planets.  One hour after sunset, Mars is high in the west-southwestern sky, marching eastward among the stars of Taurus.  It is 8.4° to the right of Aldebaran. Use a binocular to find 37 Tau, 1.4° to the lower right of the planet. Mars is generally moving toward neighbor stars to the upper right of the “V” of Taurus, Kappa Tauri (κ Tau, m = 4.2) and Upsilon Tauri (υ Tau, m = 4.2). This evening, Mars is 3.4° to the lower left of κ Tau and 3.6° to the lower left of υ Tau.

Read more about the planets during March 2021.

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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