2021, March 9: Morning Moon, Planets

2021, March 9: Forty-five minutes before sunrise, the crescent moon, Saturn and Jupiter are low in the southeastern sky.
2021, March 9: Forty-five minutes before sunrise, the crescent moon, Saturn and Jupiter are low in the southeastern sky.

March 9, 2021:  The moon joins Saturn, Jupiter, and Mercury in the southeastern sky before sunrise.

by Jeffrey L. Hunt

Chicago, Illinois:  Sunrise, 6:12 a.m. CST; Sunset, 5:51 p.m. CST.  Check local sources for sunrise and sunset times for your location.

This morning the crescent moon is low in the southeast about 45 minutes before sunrise.  Look for Saturn 7.9° to the upper left of the lunar slice.  Jupiter is in the sky as well, but only about 4° above the east-southeastern horizon and 9.1° to the lower left of Saturn.

2021, March 9: Thirty minutes before sunrise, Mercury joins the moon, Saturn and Jupiter.
2021, March 9: Thirty minutes before sunrise, Mercury joins the moon, Saturn and Jupiter.

Fifteen minutes later, Jupiter is higher in the sky, but a binocular is needed to see the planets in the brighter sky of the approaching sunrise. At this time Mercury is 3.5° to the lower left of the Jovian Giant.

Find a clear, unobstructed horizon to view this morning quartet.

Detailed Note: Forty-five minutes before sunrise, the crescent moon (25.7d, 16%) is about 7° up in the southeast.  Saturn – nearly 8° up in the east-southeast – is 7.9° to the upper left of the lunar slice.  At this hour, Jupiter – nearly 4° up in the east-southeast – is 9.1° to the lower left of Saturn.  Fifteen minutes later, Jupiter is over 6° in altitude.  Mercury is 3.5° to the lower left of the Giant Planet.  Use a binocular to see them.  One hour after sunset, Mars is high in the west-southwest, 4.0° to the upper left of Alcyone and 9.6° to the lower right of Aldebaran.  Use a binocular to spot the planet with the starfield with the Hyades and the Pleiades.  Mars is 0.3° to the lower right of 37 Tau, and above a line from Alcyone to Aldebaran.

Read more about the planets during March 2021.

Moon in the Bull's Horns. October 8, 2020

2021, August 14: Waxing Moon, Stellar Double

August 14, 2021: This evening the waxing moon is near Zubenelgenubi, the southern claw, that is a stellar double.  Use a binocular to see both stars that are in a gravitation dance.

Moon and Venus, August 15, 2020

2021, August 13: Evening Sky, Bright Planets

August 13, 2021: This evening the crescent moon appears between Evening Star Venus and Spica as the lunar slice dances eastward.  Jupiter and Saturn are in the southeastern sky.

The crescent moon, November 19, 2020

2021, August 12: Evening Sky, Lunar Dance

August 12, 2021: This evening the crescent moon appears between Venus and Spica as the lunar slice dances eastward.

2021, May 13: The crescent moon is 3.2° to the upper left of Mercury.

2021, August 11: Waxing Moon, Evening Star

August 11, 2021:  The waxing crescent moon is to the upper left of Evening Star Venus this evening in the western sky.

The Crescent Moon, November 16, 2020

2021, August 10: Evening Star Venus, Crescent Moon

August 10, 2021:  The crescent moon is near Venus in the western sky after sunset.



Categories: Astronomy, Sky Watching

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