July 6, 2021: In less than a week, brilliant Venus passes Mars in the west-northwestern sky after sunset. This evening the two planets are 3.8° apart. Venus is over 18° to the lower right of the star Regulus.
July 4, 2021: The Venus – Mars conjunction is eight days away. This evening Venus moves to within 5° of the Red Planet.
June 15, 2021: The moon is with the Sickle of Leo this evening. Step outside about an hour after sunset to find the crescent moon that is about 30% illuminated over one-third of the way up in the west.
July 12, 2021: Venus – Mars conjunction evening. Evening Star Venus passes 0.5° to the upper right of the Red Planet. The crescent moon is nearby. This is the first of three conjunctions of Venus and Mars – a triple conjunction.
2021, June 23: Through a binocular, Mars is in front of the Beehive star cluster this evening. The stars Gamma Cancri (γ Cnc) and Delta Cancri (δ Cnc) are in the same binocular field of view as Mars and the cluster.
June 15 – June 17. 2021: The evening waxing moon passes Leo the Lion. On June 15, the moon is near Regulus and Eta Leonis. The next evening, June 16, the lunar orb is between Regulus and Denebola. On June 17, the moon is beneath Denebola.
April 22, 2021: Brilliant Evening Star Venus is making its first appearance in the western sky after sunset. Look just above the horizon at 20 minutes after sunset. The bright, gibbous moon is in Leo. Mars approaches the star cluster Messier 35 in a darker sky.
April 21, 2021: Evening Star is making its first appearance in the west-northwest shortly after sunset. The gibbous moon is near Leo, while Mars is near the foot of Castor.
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.
March 25, 2021: Jupiter and Saturn continue to climb into the morning sky. Find them above the southeastern horizon before sunrise. The bright moon is in front of the stars of Leo after sunset, while Mars marches eastward in Taurus