401.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sat, 30 Jun 2018 at 19:57 EDT (2,188 days ago) in Capricornus

402.

Conjunction of the Moon and Mars The Moon and Mars share the same right ascension, at a separation of 4°46'. Sat, 30 Jun 2018 at 21:46 EDT (2,188 days ago) in Capricornus

403.

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, 01 Jul 2018 (2,187 days ago) in Sagittarius

404.

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, 02 Jul 2018 (2,186 days ago) in Serpens Cauda

405.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Tue, 03 Jul 2018 (2,185 days ago) in Cancer

406.

Close approach of Mercury and M44 Mercury and M44 pass close to each other. Wed, 04 Jul 2018 at 09:28 EDT (2,184 days ago) in Cancer

407.

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. Fri, 06 Jul 2018 at 03:51 EDT (2,182 days ago) in Cetus

408.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Fri, 06 Jul 2018 at 12:46 EDT (2,182 days ago) in Pisces

409.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Sat, 07 Jul 2018 at 11:02 EDT (2,181 days ago) in Cancer

410.

Close approach of the Moon and Collinder 50 The Moon and Collinder 50 pass close to each other. Tue, 10 Jul 2018 at 01:56 EDT (2,178 days ago) in Taurus

411.

Lunar occultation of Aldebaran The Moon will pass in front of Aldebaran (Alpha Tauri), creating a lunar occultation visible from Canada and the Contiguous United States. Tue, 10 Jul 2018 at 05:34 EDT (2,178 days ago) in Taurus

412.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Tue, 10 Jul 2018 at 13:19 EDT (2,178 days ago) in Libra

413.

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, 10 Jul 2018 (2,178 days ago) in Pavo

414.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Thu, 12 Jul 2018 at 00:08 EDT (2,176 days ago) in Cancer

415.

134340 Pluto at opposition 134340 Pluto lies in the opposite direction to the Sun in the sky, making it optimally positioned to be observable for much of the night. Thu, 12 Jul 2018 at 13:05 EDT (2,176 days ago) in Sagittarius

416.

New Moon The Moon disappears into the Sun's glare for a few days. Thu, 12 Jul 2018 at 22:48 EDT (2,176 days ago) in Gemini

417.

Partial solar eclipse There will be an eclipse of the Sun, visible from countries and territories including Antarctica, Macquarie Island, Tasmania and south-western New Zealand amongst others. Thu, 12 Jul 2018 at 23:01 EDT (2,176 days ago) in Gemini

418.

The Moon at perigee The Moon makes its monthly closest approach to the Earth, making it appear fractionally larger than at other times of the month. Fri, 13 Jul 2018 at 04:24 EDT (2,175 days ago) in Gemini

419.

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. Fri, 13 Jul 2018 at 05:22 EDT (2,175 days ago) in Gemini

420.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 2°11'. Sat, 14 Jul 2018 at 18:03 EDT (2,174 days ago) in Leo