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When the Curves Line Up

Watching the Sun, Moon and Planets

When the Curves Line Up

Tag: retrograde motion

2021, October 8: The crescent moon with earthshine.

2023, January 24: Morning’s Mercury, Evening Planet Collection

December 29, 2022 Jeffrey L. Hunt Astronomy, Sky Watching

January 24, 2023: Before sunrise, Mercury is visible in the southeastern sky.  After sundown, a collection of planets – Venus, Jupiter, and Saturn – appears with the moon.

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2023, January 19: Morning Mercury, Thin Moon, Venus Chases Saturn

December 22, 2022 Jeffrey L. Hunt Astronomy, Sky Watching

January 19, 2023:  A razor-thin lunar crescent appears near Mercury before sunrise.  Venus continues to close in on Saturn leading up to their conjunction in three nights.

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2023, January 15: Morning Moon, Venus Targets Saturn

December 18, 2022 Jeffrey L. Hunt Astronomy, Sky Watching

January 15, 2023: The thick crescent moon is near Spica before sunup.  After sundown, Venus moves closer to Saturn for a conjunction in a week.  Jupiter and Mars are in the evening sky as well.

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2023, January 12: Mars’ Retrograde Ends, Western Planets in Line

December 15, 2022 Jeffrey L. Hunt Astronomy, Sky Watching

January 12, 2023: Mars resumes its eastward march in Taurus tonight. With Mars in the east, Venus, Saturn, and Jupiter are in a line in the western sky.

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2023, January 11:  Lion Moon, Evening Planet Dance

December 14, 2022 Jeffrey L. Hunt Astronomy, Sky Watching

January 11, 2023: Before sunrise, the gibbous moon seems to appear in the belly of the Lion.  During the early evening hours, the four bright planets continue their dance.

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2023, January 9: Morning Moon, Venus Takes Aim

December 12, 2022 Jeffrey L. Hunt Astronomy, Sky Watching

January 9, 2023: The bright gibbous moon is in the west before sunrise.  After sunset, Venus moves closer to Saturn.  Jupiter and Mars are visible as well.  Sky watchers with telescopes have a double treat with Jupiter.

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2023, January 8: Bright Morning Moon, Evening Planet Quartet

December 11, 2022 Jeffrey L. Hunt Astronomy, Sky Watching

January 8, 2023: The bright moon is in the west before sunrise.  Venus, Saturn, Jupiter, and Mars are along an arc from east to southwest after sundown.

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2023, January 7: Mercury, Inferior Conjunction, Evening Planet Display Continues

December 10, 2022 Jeffrey L. Hunt Astronomy, Sky Watching

January 7, 2023: Mercury is at inferior conjunction between Earth and the sun.  Venus, Saturn, Jupiter, and Mars continue with their evening display after sundown.

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2023, January 6: Wolf Moon, Evening, Four Bright Planets

December 9, 2022 Jeffrey L. Hunt Astronomy, Sky Watching

January 6, 2023: The bright Full moon appears near Castor and Pollux all night.  Four bright planets – Venus, Saturn, Jupiter, and Mars – span the sky after sundown.

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2023, January 5: Bright Moon, Evening Planets, Orion’s Rigel

December 8, 2022 Jeffrey L. Hunt Astronomy, Sky Watching

January 5, 2023: The bright moon can be seen before sunrise and after sunset.  Four bright planets are strung across the sky from southwest to east after sundown.  Orion’s Rigel rises at sundown.

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Chart Caption - 2023, January 28: Venus, Jupiter, and Saturn are in the southwestern sky after sundown.
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Author's Notes: Look for Venus and Saturn in the southwest. Four bright planets are visible until month's end, when Saturn departs. "That bright star" in the south-southwest after sundown is Jupiter. The moon joins the evening sky this week. Mars is slowly moving eastward with Taurus as the starry backdrop.

Chart Caption - 2023, January 28: Mars is high in the east-southeast, above Winter’s bright evening stars.
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Copyright Statement: This web site is written and edited by Dr. Jeffrey L. Hunt. The photos and diagrams are made by the author unless otherwise credited. Raw data is from the U.S. Naval Observatory, Starry Night computer program

Content is derived from multiple astronomical sources, including the U.S. Naval Observatory, NASA, ESA, and various books, including Astronomical Tables of the Sun, Moon and Planets by Jean Meeus.  Starry Night and Stellarium computer programs are used as well.  Updates and corrections are made as required.  Some articles are updated at the time of actual astronomical events with new photographs.  The author strives for accurate information.

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