601.

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, 02 Oct 2018 at 05:45 EDT (2,115 days ago) in Gemini

602.

Close approach of the Moon and Collinder 50 The Moon and Collinder 50 pass close to each other. Sat, 29 Sep 2018 at 23:11 EDT (2,118 days ago) in Taurus

603.

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. Thu, 27 Sep 2018 (2,120 days ago) in Tucana

604.

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, 27 Sep 2018 at 15:42 EDT (2,120 days ago) in Coma Berenices

605.

Daytime Sextantid meteor shower 2018 The Daytime Sextantid meteor shower reaches its peak. Thu, 27 Sep 2018 (2,120 days ago) in Sextans

606.

NGC 55 is well placed NGC 55 (mag 8.2), a barred irregular galaxy in Sculptor culminates at around midnight local time. Tue, 25 Sep 2018 (2,122 days ago) in Sculptor

607.

Venus at greatest brightness Venus reaches its greatest brightness in the evening sky. Tue, 25 Sep 2018 at 00:18 EDT (2,122 days ago) in Virgo

608.

Full Moon The Moon reaches full phase and is visible for much of the night. Mon, 24 Sep 2018 at 22:52 EDT (2,123 days ago) in Pisces

609.

September equinox Day and night have equal length, marking the beginning of autumn in the northern hemisphere and spring in the southern hemisphere. Sat, 22 Sep 2018 at 21:48 EDT (2,125 days ago) in Virgo

610.

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. Fri, 21 Sep 2018 at 20:56 EDT (2,126 days ago) in Capricornus

611.

Mercury at superior solar conjunction Mercury passes around the far side of the Sun. Thu, 20 Sep 2018 at 22:01 EDT (2,127 days ago) in Virgo

612.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 4°46'. Thu, 20 Sep 2018 at 02:40 EDT (2,127 days ago) in Capricornus

613.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Thu, 20 Sep 2018 at 01:19 EDT (2,127 days ago) in Capricornus

614.

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. Wed, 19 Sep 2018 at 20:53 EDT (2,128 days ago) in Capricornus

615.

Asteroid 30 Urania at opposition Asteroid 30 Urania makes closest approach to the Earth. Wed, 19 Sep 2018 at 10:22 EDT (2,128 days ago) in Pisces

616.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Mon, 17 Sep 2018 at 12:43 EDT (2,130 days ago) in Sagittarius

617.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2°03'. Mon, 17 Sep 2018 at 12:29 EDT (2,130 days ago) in Sagittarius

618.

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. Sun, 16 Sep 2018 at 19:15 EDT (2,131 days ago) in Ophiuchus

619.

Mars at perihelion Mars passes its orbit's closest point to the Sun. Sun, 16 Sep 2018 at 08:53 EDT (2,131 days ago) in Capricornus

620.

Comet 21P/Giacobini-Zinner passes perihelion Comet 21P/Giacobini-Zinner makes its closest approach to the Sun. Fri, 14 Sep 2018 (2,133 days ago) in Auriga