2021, March 28: Worm Moon, Mars

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2021, March 28: One hour after sunset, the Worm Moon is low in the east near Porrima.

March 28, 2021: The Worm Moon is in the east after sunset.  Farther west, Mars marches eastward in Taurus.  Use a binocular to see dimmer stars in the bright moonlight.

by Jeffrey L. Hunt

Chicago, Illinois:  Sunrise, 6:40 a.m. CDT; Sunset, 7:12 p.m. CDT.  Check local sources for sunrise and sunset times for your location.

This evening the bright moon’s light dominates the sky.  It was Full at 1:48 p.m. CDT today.  The Old Farmer’s Almanac calls this seasonal full moon, the Worm Moon. This moonlight makes it difficult to view the dimmer stars in the sky.  To see more stars, stand in the shadow of a building, house, or other structure.  For stars near the moon, hold up your hand to block its light as you would to shield your eyes from the sun.

An hour after sunset, the moon is only 10° up in the east.  It is below Porrima.

2021, March 28: With tonight’s bright moon, dimmer stars are difficult to see. Mars, in the west-southwest, is above Aldebaran. It is moving toward Elnath and Zeta Tauri (ζ Tau).

Farther west, Mars is marching eastward in Taurus toward the horns, Elnath and Zeta Tauri (ζ Tau).  It is now beyond Aldebaran and the two star clusters, Hyades and Pleiades. 

2021, March 28: This binocular view shows Mars with the stars Tau Tauri (τ Tau) and Iota Tauri (ι Tau).

Use a binocular to find it 2.3° above Tau Tauri (τ Tau) and 3.6° to the lower right of Iota Tauri (ι Tau).

Here’s more about Mars during 2021.

Read about Mars during March.

Detailed Note: One hour before sunrise Saturn is over 11° above the southeastern horizon, 11.4° to the upper right of bright Jupiter. The Jovian Giant is over 6° up in the east-southeast.  Use a binocular to see the planets in front of the starry background.  Saturn is 3.0° to the upper right of θ Cap, while Jupiter is 4.6° to the lower left of ι Cap.  Farther west, the moon (15.0d, 100%) is nearly 14° up in the west.  Because of its brightness, block the moon’s glare to spot Eta Virginis (η Vir, m = 3.9), 3.3° to the lower left of the moon, and Porrima (γ Vir, m = 3.4), 7.6° to the upper left of the lunar orb.  The moon is Full (Worm Moon) at 1:48 p.m. CDT. One hour after sunset, the moon (15.6d, 100%) is less than 10° above the eastern horizon, 3.0° below Porrima.  Farther west, Mars – over 50° up in the west-southwest – is 2.3° above τ Tau and 3.6° to the lower right of ι Tau.  The planet is 9.0° below Elnath. Because of the bright moonlight, use a binocular to see Mars with the sidereal background.

Read more about the planets during March 2021.

2021, April 18: Crescent Moon, Mars, Evening Sky

April 18, 2021:  The crescent moon is high in the west after sunset among the stars of Gemini, below Pollux and Castor.  Mars is above the Bull’s horns.  Daylight is 13 hours, 30 minutes long.

2021, April 18: Jupiter, Saturn, Morning Planets

April 18, 2021: The bright morning planets, Jupiter and Saturn, are in the southeastern sky before sunrise.  Capricornus is the starry background for this giant planet duo.  Daylight is 13 hours, 30 minutes long.



Categories: Astronomy, Sky Watching

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