2020, December 8-14: Jupiter begins its final approach to Saturn as a prelude to the Great Conjunction on December 21, 2020.
Jupiter and Saturn are found in the southwest after sunset. Begin looking as night falls, about 45 minutes after sunset. Jupiter is the bright star, about one-fourth of the way up in the sky above the southwest horizon. The observing window is good for about the next 90 minutes, but Jupiter gets lower in the sky. The pair sets about 3 hours after sunset.
Saturn is dimmer than Jupiter, but brighter than the other stars in region. The Ringed Wonder is to the upper left of the Jovian Giant.
During the week, Jupiter nearly cuts the gap to Saturn in half, from 1.1° to 0.7°
December 28, 2021: The Great Andromeda Galaxy is nearly overhead at the end of the evening twilight.
December 29, 2021: The morning crescent moon approaches Scorpius and Mars. In the evening sky, four evening planets – Venus, Mercury, Saturn, and Jupiter – are lined up in the southwest. Venus is rapidly leaving the evening sky.
November 28, 2021: During twilight this evening, the three bright evening planets – Venus, Saturn, and Jupiter – are on parade in the southwestern sky.
December 28, 2021: Brilliant Venus is quickly slipping from the evening sky. Mercury appears beneath Venus after sunset. This duo is joined by Jupiter and Saturn. In the morning, Mars is near Antares and the moon near Spica.
December 27, 2021: The Red Planet Mars passes Antares this morning before sunrise. At the same hour, the moon is near Spica. The three bright planets – Venus, Saturn, and Jupiter – are in the evening sky.