Calendar of Astronomical Events

Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
		1 Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter	2 Moon at Last Quarter The Great Globular Cluster in Hercules is well placed	3 Asteroid 63 Ausonia at opposition Messier 12 is well placed	4 Conjunction of Uranus and Ceres	5 Messier 10 is well placed
6 Messier 62 is well placed	7 The Moon at apogee	8 The Moon at perihelion	9 Mercury at aphelion	10 Annular solar eclipse New Moon Daytime Arietid meteor shower 2021 Mercury at inferior solar conjunction	11 Messier 92 is well placed	12 Conjunction of the Moon and Venus Venus at perihelion
13 Conjunction of the Moon and Mars Close approach of the Moon and Mars	14	15 NGC 6388 is well placed	16 The Butterfly cluster is well placed	17 Comet 15P/Finlay passes perigee NGC 6397 is well placed Moon at First Quarter	18 The cluster IC 4665 is well placed	19
20 Jupiter enters retrograde motion The Ptolemy cluster is well placed June solstice	21	22 Lunar occultation of Beta1 Scorpii The Lagoon Nebula is well placed	23 The Moon at perigee Close approach of Mars and M44 NGC 6541 is well placed	24 Full Moon	25 The Moon at aphelion Lunar occultation of Sigma Sagittarii Neptune enters retrograde motion	26
27 Conjunction of the Moon and Saturn June Bootid meteor shower 2021 Close approach of the Moon and Saturn	28 Conjunction of the Moon and Jupiter Close approach of the Moon and Jupiter The cluster NGC 6633 is well placed	29	30