121.

Close approach of Mars and Neptune Mars and Neptune pass within 1'07" of each other. Sun, 01 Jan 2017 at 01:53 EDT (2,732 days ago) in Aquarius

122.

Conjunction of Mars and Neptune Mars and Neptune share the same right ascension, at a separation of 1'14". Sun, 01 Jan 2017 at 01:37 EDT (2,732 days ago) in Aquarius

123.

The Rosette Nebula is well placed The Rosette Nebula (C49; mag 9.0) in Monoceros culminates at around midnight local time. Thu, 29 Dec 2016 (2,735 days ago) in Monoceros

124.

Uranus ends retrograde motion Uranus returns to its usual eastward motion after opposition. Thu, 29 Dec 2016 at 05:14 EDT (2,735 days ago) in Pisces

125.

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. Thu, 29 Dec 2016 at 04:07 EDT (2,735 days ago) in Sagittarius

126.

New Moon The Moon disappears into the Sun's glare for a few days. Thu, 29 Dec 2016 at 01:54 EDT (2,735 days ago) in Sagittarius

127.

The cluster NGC 2232 is well placed The open star cluster NGC 2232 (mag 4.2) in Monoceros culminates at around midnight local time. Wed, 28 Dec 2016 (2,736 days ago) in Monoceros

128.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Wed, 28 Dec 2016 at 13:43 EDT (2,736 days ago) in Sagittarius

129.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 3°36'. Tue, 27 Dec 2016 at 15:41 EDT (2,737 days ago) in Ophiuchus

130.

Mercury at perihelion Mercury passes its orbit's closest point to the Sun. Sun, 25 Dec 2016 at 09:23 EDT (2,739 days ago) in Sagittarius

131.

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, 25 Dec 2016 at 00:54 EDT (2,739 days ago) in Libra

132.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Thu, 22 Dec 2016 at 13:12 EDT (2,742 days ago) in Virgo

133.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 2°24'. Thu, 22 Dec 2016 at 11:39 EDT (2,742 days ago) in Virgo

134.

Comet 45P/Honda-Mrkos-Pajdusakova passes perihelion Comet 45P/Honda-Mrkos-Pajdusakova makes its closest approach to the Sun. Thu, 22 Dec 2016 (2,742 days ago) in Capricornus

135.

Ursid meteor shower 2016 The Ursid meteor shower reaches its peak. Thu, 22 Dec 2016 (2,742 days ago) in Ursa Minor

136.

December solstice 21 December will be the shortest day of 2016 in the northern hemisphere. Wed, 21 Dec 2016 at 05:41 EDT (2,743 days ago) in Sagittarius

137.

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, 20 Dec 2016 at 20:56 EDT (2,744 days ago) in Virgo

138.

December Leonis Minorid meteor shower 2016 The December Leonis Minorid meteor shower reaches its peak. Mon, 19 Dec 2016 (2,745 days ago) in Leo Minor

139.

Lunar occultation of Regulus The Moon will pass in front of Regulus (Alpha Leonis), creating a lunar occultation visible from Australia. Sun, 18 Dec 2016 at 13:08 EDT (2,746 days ago) in Leo

140.

The Orion Nebula is well placed The Orion Nebula (M42; mag 4.0) culminates at around midnight local time. Thu, 15 Dec 2016 (2,749 days ago) in Orion