January 8, 2021: Speedy planet Mercury joins Jupiter and Saturn low in the south-southwest after sunset.
by Jeffrey L. Hunt
Chicago, Illinois: Sunrise, 7:18 a.m. CST; Sunset, 4:38 p.m. CST. Check local sources for sunrise and sunset times for your location.
Find a clear horizon toward the southwestern sky. Thirty minutes after sunset. locate bright Jupiter low in the sky through a binocular. Saturn is dimmer and 2.0° to the lower right of Jupiter. With a brightness between that of Jupiter and Saturn, find Mercury 2.4° to the lower left of Saturn.
This observation has a narrow window of time because Jupiter sets 75 minutes after sunset. Mercury sets only 50 minutes after sunset.
Read more about the planets during January.
January 26, 2021: Visible high in the south after sunset, Mars is in Aries heading for an early March conjunction with the Pleiades star cluster.
Depending on the latitude, the time of equal light and equal darkness occurs during early February.
January 22-24, 2021: The bright gibbous moon moves through Taurus during the evening.