April 14, 2021: The picturesque lunar crescent is to the lower left of the Pleiades star cluster after sunset. Earthshine can be seen on the moon’s night portion. Mars is higher in the sky between the Bull’s horns.
April 13, 2021: The crescent moon returns to the western evening sky after sunset. Mars is now above the Bull’s horns in the west after sunset.
April 12, 2021: Spica rises at sunset. It is low in the east-southeast during the early evening hours. Mars is halfway up in the west as it moves between the Bull’s horns.
April 11, 2021: The Red Planet is about halfway up in the western sky after sunset. Mars is marching eastward in Taurus near the Bull’s horns. Watch it move between the horns during the next few evenings.
April 10, 2021: After sunset, Mars is about halfway up in the western sky near the horns of Taurus. Mars is somewhat close to the Crab Nebula. A telescope reveals a dim, cloudy patch of light.
April 9, 2021: Morning planets Jupiter and Saturn are in the southeast before sunrise with Capricornus as their starry background. During the evening, Mars continues to approach the Bull’s horns. Find the Red Planet about halfway up in the west after sunset
April 8, 2021: In the evening sky, Mars approaches the Bull’s horns in the western sky after sunset. The planet is now higher than Betelgeuse, Orion’s second brightest star.
April 7, 2021: Bright Jupiter and Saturn are in the southeast before sunrise. The moon is low in the southeast, to the lower right of Jupiter. Find a clear horizon to see it. Today daylight is 13 long from Chicago’s latitude. After sunset, find Mars about halfway up in the west, below the Bull’s horns.
April 5, 2021: The thick crescent moon, Saturn, and Jupiter are lined up in the southeastern sky this morning. Mars is in Taurus after sunset.
April 4, 2021: This morning the Last Quarter moon is near Sagittarius. Jupiter and Saturn are moving eastward in Capricornus. During the evening, Mars is marching eastward through Taurus, below the Bull’s horns.