2025, October 28: Venus, Jupiter, Saturn and First Quarter Moon

October 28, 2025: Three bright planets — Venus, Jupiter, and Saturn — join the waxing moon in this week’s sky. Find viewing times for all major planets, including Uranus near the Pleiades and Neptune near Saturn, with details for Chicago’s latitude.

Venus, Jupiter, Moon, Castor, Pollux, August 20, 2025
2025, August 20: Venus, crescent Moon, Pollux line up before sunrise. Jupiter is to the upper right.

by Jeffrey L. Hunt

Chicago, Illinois: Sunrise, 7:19 a.m. CDT; Sunset, 5:50 p.m. CDT.  Times are calculated by the US Naval Observatory’s MICA computer program. Check local sources for sunrise and sunset times.

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Sun: Daylight at Chicago’s latitude lasts 10 hours, 31 minutes. The sun passes overhead at local noon for latitude 13° south.

Moon, October 28, 2025
Chart Caption – 2025, October 28: The nearly First Quarter Moon is in the south after sunset.

Moon: The lunar orb, 43% illuminated, is in the south during evening twilight. The evening half, or First Quarter phase, occurs tomorrow at 12:21 p.m. Central Time. It sets less than four hours after sundown.

Inner Planets

Mercury: The solar system’s innermost planet nears its greatest elongation but remains hidden in bright evening twilight. At sunset, Mercury is less than 10° above the southwest horizon, setting about 50 minutes after the sun. At this season, the plane of the solar system (ecliptic) makes a very shallow angle with the western horizon, so Mercury’s visibility is poor for this evening appearance. In the southern hemisphere, the planet is putting on a magnificent display after sundown.

Venus, Arcturus, October 28, 2025
Chart Caption – 2025, October 28: Venus and Arcturus are in the eastern sky before sunrise.

Venus:The Morning Star continues to recede into morning twilight as its superior conjunction occurs on January 6. During morning twilight, Venus is less than 10° above the eastern horizon. Look for Arcturus, the second-brightest star visible at mid-northern latitudes, over 30° to Venus’ upper left.

Outer Planets

Mars: Near Mercury in the western sky and veiled by bright evening twilight, the Red Planet is moving toward its solar conjunction on January 9. Afterward, it begins a slow climb into the eastern morning sky.

Jupiter, October 28, 2025
Chart Caption – 2025, October 28: At 45 minutes before sunrise, Jupiter is high in the southern sky near the Gemini Twins.

Jupiter: The Jovian Giant is in the sky from about midnight until it disappears into morning twilight when it is high in the south-southwest. It rambles eastward in front of Gemini, nearly 7° from Pollux, one of the Twins. Through a telescope, the planet displays four large moons and cloud stripes. Around 02:35 UTC tomorrow, the shadows of two of its moons are projected on the planet’s clouds.

Saturn, October 28, 2025
Chart Caption – 2025, October 28: Saturn is in the east-southeast during evening twilight.

Saturn: The lone bright evening planet until Jupiter rises is in the east-southeast after sundown. The Ringed Wonder is south about four hours after sunset, making it a good target for backyard telescopes. Saturn’s rings appear as a narrow line, as though viewing the rim of a dinner plate. This viewing angle occurs about every 15 years.

Binocular View - Uranus and Pleiades
Chart Caption – 2025, October: Ninety minutes before sunrise, Uranus is in the same binocular field with the Pleiades star cluster.

Uranus: The Tilted World is visible from a rural location without optical aid. It rises about an hour after sunset and is in the same binocular field with the Pleiades star cluster, resembling a miniature dipper. It is best viewed from about 10 p.m. local time until morning twilight begins. Aquamarine Uranus shines about as brightly as 13, 14, 32, and 37 Tauri (Tau).

Binocular View - Neptune and Saturn
Chart Caption – 2025, October: Around midnight through a binocular, Neptune is in the same field of view with Saturn.

Neptune:The modern solar system’s most distant planet is a challenge to see. It appears in the same binocular field as Saturn, though it is over three times farther away. Attempt to view it when it is in the south with Saturn. It is quite dim—only 0.2% of Saturn’s brightness. Find the stars 27 and 29 Piscium (Psc). They are about the brightness of Uranus and 13 times brighter than Neptune. The planet appears as a very dim bluish star above 27 and 29 in the field. Slowly move your eye around the view to detect it with your peripheral vision.

Catch Uranus and Neptune before the waxing moon fills the sky with bright moonlight during the next few nights. Find Venus, Jupiter, and Saturn as the moon reaches the First Quarter phase.

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