101.

Comet 13P/Olbers passes perihelion Comet 13P/Olbers makes its closest approach to the Sun. Sun, 30 Jun 2024 (40 days away) in Lynx

102.

Messier 22 is well placed The globular cluster M22 (mag 5.2) in Sagittarius, near the Galactic centre, culminates at around midnight local time. Sun, 30 Jun 2024 (40 days away) in Sagittarius

103.

Comet 13P/Olbers reaches peak brightness Comet 13P/Olbers is forecast to reach the brightest point in its 2024 apparition. Mon, 01 Jul 2024 (41 days away) in Lynx

104.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Mon, 01 Jul 2024 at 11:47 EDT (41 days away) in Aries

105.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 4°05'. Mon, 01 Jul 2024 at 14:27 EDT (41 days away) in Aries

106.

The cluster IC 4756 is well placed The open star cluster IC 4756 (mag 4.6) in Serpens culminates at around midnight local time. Mon, 01 Jul 2024 (41 days away) in Serpens Cauda

107.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Tue, 02 Jul 2024 at 05:19 EDT (42 days away) in Pisces

108.

Close approach of the Moon and M45 The Moon and M45 pass close to each other. Tue, 02 Jul 2024 at 12:27 EDT (42 days away) in Taurus

109.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 5°01'. Wed, 03 Jul 2024 at 04:29 EDT (43 days away) in Taurus

110.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Fri, 05 Jul 2024 at 01:06 EDT (45 days away) in Pisces

111.

New Moon The Moon disappears into the Sun's glare for a few days. Fri, 05 Jul 2024 at 18:58 EDT (45 days away) in Gemini

112.

The Moon at perihelion The Moon passes its orbit's closest point to the Sun, which happens each month around the time of new moon. Sat, 06 Jul 2024 at 01:45 EDT (46 days away) in Gemini

113.

1 Ceres at opposition 1 Ceres lies in the opposite direction to the Sun in the sky, making it closer and brighter than at other times. It is also optimally positioned to be observable for much of the night. Sat, 06 Jul 2024 at 11:35 EDT (46 days away) in Sagittarius

114.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 3°13'. Sun, 07 Jul 2024 at 14:33 EDT (47 days away) in Cancer

115.

The Great Peacock Globular Cluster is well placed The bright globular cluster NGC 6752 (mag 5.4) in Pavo culminates at around midnight local time. Tue, 09 Jul 2024 (49 days away) in Pavo

116.

Venus at perihelion Venus passes its orbit's closest point to the Sun. Wed, 10 Jul 2024 at 07:44 EDT (50 days away) in Cancer

117.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Thu, 11 Jul 2024 (52 days away) in Leo

118.

The Moon at apogee The Moon recedes to its orbit's furthest point from the Earth, making it appear fractionally smaller than at other times of the month. Fri, 12 Jul 2024 at 04:10 EDT (52 days away) in Virgo

119.

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. Sat, 13 Jul 2024 at 18:49 EDT (53 days away) in Virgo

120.

Lunar occultation of Spica The Moon will pass in front of Spica (Alpha Virginis), creating a lunar occultation visible from countries and territories including the Contiguous United States, Mexico, Canada and Nicaragua amongst others. Sat, 13 Jul 2024 at 23:19 EDT (53 days away) in Virgo