121.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Fri, 17 Sep 2021 at 22:57 EDT (952 days ago) in Virgo

122.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 3°57'. Sat, 18 Sep 2021 at 02:54 EDT (951 days ago) in Capricornus

123.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Sat, 18 Sep 2021 at 05:07 EDT (951 days ago) in Capricornus

124.

The Moon at aphelion The Moon recedes to its orbit's furthest point from the Sun, which happens each month around the time of full moon. Sat, 18 Sep 2021 at 12:44 EDT (951 days ago) in Aquarius

125.

Mars at apogee Mars reaches its furthest point from the Earth, as it passes around the far side of the Sun. Mon, 20 Sep 2021 at 07:33 EDT (949 days ago) in Virgo

126.

Full Moon The Moon reaches full phase and is visible for much of the night. Mon, 20 Sep 2021 at 19:54 EDT (949 days ago) in Pisces

127.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Wed, 22 Sep 2021 at 15:14 EDT (947 days ago) in Virgo

128.

Close approach of the Moon and Uranus The Moon and Uranus pass close to each other. Fri, 24 Sep 2021 at 13:08 EDT (945 days ago) in Aries

129.

NGC 55 is well placed NGC 55 (mag 8.2), a barred irregular galaxy in Sculptor culminates at around midnight local time. Fri, 24 Sep 2021 (945 days ago) in Sculptor

130.

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. Sun, 26 Sep 2021 at 17:43 EDT (943 days ago) in Taurus

131.

Daytime Sextantid meteor shower 2021 The Daytime Sextantid meteor shower reaches its peak. Mon, 27 Sep 2021 (942 days ago) in Sextans

132.

47 Tuc is well placed The second brightest globular cluster in the sky, 47 Tuc (NGC 104; mag 4.0), in Tucana culminates at around midnight local time. Mon, 27 Sep 2021 (942 days ago) in Tucana

133.

Moon at Last Quarter The Moon reaches last quarter phase – rising in the east at around midnight and appearing high in the sky by sunrise. Tue, 28 Sep 2021 at 21:57 EDT (941 days ago) in Gemini

134.

136472 Makemake at solar conjunction 136472 Makemake is unobservable as it passes around the far side of the Sun – marking the end of one apparition and the beginning of the next. Thu, 30 Sep 2021 at 10:36 EDT (939 days ago) in Coma Berenices

135.

The Andromeda Galaxy is well placed The Andromeda Galaxy M31 (mag 3.4) culminates at around midnight local time. Sat, 02 Oct 2021 (937 days ago) in Andromeda

136.

Venus at aphelion Venus passes the furthest point along its orbit from the Sun. Sun, 03 Oct 2021 at 00:07 EDT (936 days ago) in Libra

137.

NGC 253 is well placed The Sculptor Galaxy NGC 253 (mag 7.1) culminates at around midnight local time. Sun, 03 Oct 2021 (936 days ago) in Sculptor

138.

The Small Magellanic Cloud is well placed The Milky Way's dwarf companion, the Small Magellanic Cloud (SMC; mag 2.7), in Tucana culminates at around midnight local time. Mon, 04 Oct 2021 (935 days ago) in Tucana

139.

October Camelopardalid meteor shower 2021 The October Camelopardalid meteor shower reaches its peak. Tue, 05 Oct 2021 (934 days ago) in Draco

140.

NGC 300 is well placed NGC 300 (mag 8.1), a spiral galaxy in Sculptor culminates at around midnight local time. Tue, 05 Oct 2021 (934 days ago) in Sculptor