December 24, 2020: Jupiter and Saturn continue to shine together in the west after sunset. The Jupiter – Saturn gap widens each evening. The gibbous moon and Mars are in the southeast after sunset.
by Jeffrey L. Hunt
Chicago, Illinois: Sunrise, 7:16 a.m. CST; Sunset, 4:25 p.m. CST. Check local sources for sunrise and sunset times for your location.
In the evening sky, Jupiter continues to inch away from Saturn. This evening’s gap is 0.3°. It’s still narrow, but the change is easily observed. Jupiter is moving eastward faster than Saturn, in front of the starry background.
Look for them low in the sky from about 45 minutes after sunset until about 90 minutes after local sunset before they disappear below the southwestern horizon.
Meanwhile, farther east, the gibbous moon is about 13° to the lower left of the moon in the southeast as night falls. The chart above shows an exaggerated view of the sky with many stars in the region of Mars and the moon. To see them, a binocular is necessary to see the stars with the bright moonlight.
Read about Mars during December.
Detailed note: In the evening sky, the Jupiter – Saturn gap has grown to 0.3°. Jupiter is to Saturn’s upper left. In the starfield, Jupiter is 2.0° to the lower right of σ Cap and 6.2° to the upper left of 56 Sgr. One hour after sunset, Jupiter is nearly 11° in altitude in the southwest. The moon (10.3d, 77%) is nearly halfway up in the east-southeast, nearly 13° to the lower left of Mars.
April 20, 2021: Venus is very low in the west-northwest after sunset. The gibbous moon is in Cancer, between Regulus and Pollux. Mars, above the horns of Taurus, approaches the star cluster Messier 35.
April 20, 2021: Bright Jupiter and Saturn are in the southeastern sky before sunrise, gently moving eastward compared to the starry backdrop of Capricornus.
April 19, 2021: The first evening appearance of Venus for this apparition occurs this evening. Look for it low in the west-northwest about 20 minutes after sunset.
April 19, 2021: Venus begins to appear in the west after sunset. The moon lines up with Pollux and Castor, while Mars is above Bull’s horns in the western evening sky.
April 19, 2021: The bright morning planets, Jupiter and Saturn, are in the southeastern sky before sunrise. Capricornus is the starry background for this giant planet duo.