101.

Daytime Arietid meteor shower 2021 The Daytime Arietid meteor shower reaches its peak. Thu, 10 Jun 2021 (1,049 days ago) in Aries

102.

Messier 92 is well placed The globular cluster M92 (NGC 6341; mag 6.5) in Hercules culminates at around midnight local time. Fri, 11 Jun 2021 (1,048 days ago) in Hercules

103.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 2°48'. Sun, 13 Jun 2021 at 15:52 EDT (1,046 days ago) in Cancer

104.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sun, 13 Jun 2021 at 16:47 EDT (1,046 days ago) in Cancer

105.

The Butterfly cluster is well placed The Butterfly open star cluster (M6, NGC 6405; mag 4.2) in Scorpius culminates at around midnight local time. Wed, 16 Jun 2021 (1,043 days ago) in Scorpius

106.

Comet 15P/Finlay passes perigee Comet 15P/Finlay makes its closest approach to the Earth. Thu, 17 Jun 2021 (1,042 days ago) in Pisces

107.

Moon at First Quarter The Moon reaches first quarter phase – appearing high in the sky at sunset and setting in the west at around midnight. Thu, 17 Jun 2021 at 23:54 EDT (1,042 days ago) in Virgo

108.

The cluster IC 4665 is well placed The open star cluster IC 4665 (mag 4.2) in Ophiuchus culminates at around midnight local time. Fri, 18 Jun 2021 (1,041 days ago) in Ophiuchus

109.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Sun, 20 Jun 2021 at 11:07 EDT (1,039 days ago) in Aquarius

110.

The Ptolemy cluster is well placed The Ptolemy Cluster (M7, NGC 6475; mag 3.3) in Scorpius culminates at around midnight local time. Sun, 20 Jun 2021 (1,039 days ago) in Scorpius

111.

June solstice 21 June will be the longest day of 2021 in the northern hemisphere. Sun, 20 Jun 2021 at 23:25 EDT (1,039 days ago) in Taurus

112.

Lunar occultation of Beta1 Scorpii The Moon will pass in front of Beta1 Scorpii (Acrab), creating a lunar occultation visible from Sub-Saharan Africa, Australia and Heard Island and McDonald Islands. Tue, 22 Jun 2021 at 14:28 EDT (1,037 days ago) in Scorpius

113.

The Lagoon Nebula is well placed The Lagoon Nebula (M8; mag 5.8) in Sagittarius culminates at around midnight local time. Tue, 22 Jun 2021 (1,037 days ago) in Sagittarius

114.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 24 Jun 2021 at 14:39 EDT (1,035 days ago) in Sagittarius

115.

Lunar occultation of Sigma Sagittarii The Moon will pass in front of Sigma Sagittarii (Nunki), creating a lunar occultation visible from countries and territories including the Contiguous United States, Mexico, Hawaii and Kiribati amongst others. Fri, 25 Jun 2021 at 05:40 EDT (1,034 days ago) in Sagittarius

116.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Fri, 25 Jun 2021 at 13:08 EDT (1,034 days ago) in Aquarius

117.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 4°01'. Sun, 27 Jun 2021 at 05:26 EDT (1,032 days ago) in Capricornus

118.

June Bootid meteor shower 2021 The June Bootid meteor shower reaches its peak. Sun, 27 Jun 2021 (1,032 days ago) in Bootes

119.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sun, 27 Jun 2021 at 07:05 EDT (1,032 days ago) in Capricornus

120.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°27'. Mon, 28 Jun 2021 at 14:41 EDT (1,031 days ago) in Aquarius