2020, December 13: Old Moon and Venus

Venus and Moon, December 13, 2020
2020, December 13: The thin crescent moon – that is only 2% illuminated – is low in the east-southeast. Brilliant Venus is 9.5° to the upper right of the moon.

December 13, 2020: The old crescent moon is low in the east-southeast before sunrise.  Venus looks on to the upper right of the moon.

by Jeffrey L. Hunt

Chicago, Illinois:  Sunrise, 7:10 a.m. CST; Sunset, 4:20 p.m. CST.  Check local sources for sunrise and sunset times for your location.

This morning, the old crescent moon is about 10° to the lower left of Venus.  The moon is very low in the sky. Find a clear horizon toward the southeast.  The moon is only about 4° in altitude. The chart above shows the scene about 45 minutes before sunrise.

Detailed Note: Forty-five minutes before sunrise, Venus is about 12° up in the southeast.  The razor-thin, crescent moon (28.3d, 2%) – only about 4° up in the east-southeast – is 9.5° to the lower left of Venus.

See our summary about Venus during December 2020 and the feature article  about Venus as a Morning Star.

Read more about the planets during December.

2021, May 13: Brilliant Venus, Mercury, and the crescent moon in the evening sky.

2021, August 3: Four Evening Planets: Venus, Mars, Saturn, Jupiter

August 3, 2021:  Four planets appear in the evening sky.  Brilliant Evening Star Venus and dim Mars are in the west after sunset.  A little later during the evening, Saturn and Jupiter are easily visible in the southeast.

Saturn (NASA)

2021, August 2: Saturn at Opposition

August 2, 2021: Saturn is at opposition with the sun.  Earth is between the sun and the planet.

2020, July 17: The crescent moon appears near Venus before sunrise. The night portion of the moon is gently illuminated by earthshine.

2021: August 1 – 6: Morning Moon, Bright Stars

August 1 – 6, 2021:  The morning moon wanes toward its New moon phase in the eastern sky.  It passes the bright stars that are prominent in the evening sky during the winter season in the northern hemisphere.  The stars have been making their first appearances in the morning sky during summer.  At this hour, Procyon and bright Sirius are the last stellar duo to appear.

2021, July 8: The flowers celebrate summer.

2021, August 6: Summer’s Midpoint

August 6, 2021:  In the northern hemisphere, summer’s midpoint occurs today at 6:27 p.m. CDT.

The moon and Spica, December 10, 2020

2021, July 31: Morning Sky, Moon, Mira, Uranus

July 31, 2021:  The slightly gibbous moon, nearing its Last Quarter phase, is in the southeast as morning twilight begins.  It is near the planet Uranus, easily within reach of a binocular.  Mira, a variable star, reaches its brightest next month.



Categories: Astronomy, Sky Watching

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