December 30, 2025: Track the moon, Jupiter, Saturn, and the visible planets with this Solar System Almanac. Precise sky positions, angular separations, and observing guidance for late December.
Tag: Castor
2025, December 29: Gibbous Moon, Jupiter, Saturn, and Antares Before Sunrise
December 29, 2025: The waxing gibbous is with Aries as Jupiter nears opposition, Saturn lingers after sunset, and Antares returns to the morning sky.
2025, December 27: Jupiter Near Opposition, Saturn and First Quarter Moon
December 27, 2025: As Jupiter approaches opposition, it shines nearly all night near Gemini. Saturn and the First Quarter moon add to an evening sky rich with planetary detail.
2025, December 26: Solar System Almanac — Sun, Moon, and Planets
December 26, 2025: Short daylight during early winter. See the moon near Saturn, Jupiter near opposition, and which planets are hidden in sunlight during December’s sky.
2025, December 25: Christmas Night Sky – Jupiter, Saturn, and the Crescent Moon
December 25, 2025: Jupiter and Saturn shine during Christmas night, with a bright crescent moon after sunset and Jupiter dominating the western sky before sunrise.
2025, December 21: Winter Solstice, See Jupiter and Saturn
December 21, 2025: Sun reaches its solstice point, a thin lunar crescent returns, and Jupiter and Saturn shine during the long nights. Mercury retreats into bright twilight.
2025, December 18: Sun Near Solstice, Jupiter and Saturn, and Mercury’s Descent into Morning Twilight
December 18, 2025: The sun nears its solstice point as daylight shortens. See the waning crescent moon, Mercury sinking into morning twilight, and bright Jupiter and Saturn.
2025, December 7: Mercury at Greatest Elongation; Jupiter and Moon in the West
December 7, 2025: Mercury reaches greatest elongation before sunrise. Find it low in the southeast while Jupiter and the waning gibbous moon shine in the western sky.
2025, December 6: Sky Watcher’s Outlook – Jupiter and Moon with Gemini, Mercury’s Peak, Saturn’s Rings Edge-On
December 6, 2025: Tonight, the bright moon shines with Gemini and Jupiter, while Mercury reaches its best morning display of the year. Saturn’s Rings are seen edge-on. Veus and Mars disappear into brighter sunlight.
2025, December 5-8: Jupiter-Moon Encounters: Four Mornings and Four Evenings with the Gemini Twins
December 5-8, 2025: Watch the moon approach and pass Jupiter over four mornings and evenings as the Jovian Giant retrogrades near Pollux.