401.

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 (2,236 days ago) in Serpens Cauda

402.

Mercury at highest altitude in evening sky Mercury is bright and well placed in the evening sky. Tue, 03 Jul 2018 (2,235 days ago) in Cancer

403.

Close approach of Mercury and M44 Mercury and M44 pass close to each other. Wed, 04 Jul 2018 at 09:28 EDT (2,234 days ago) in Cancer

404.

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 (2,232 days ago) in Cetus

405.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Fri, 06 Jul 2018 at 12:46 EDT (2,232 days ago) in Pisces

406.

Mercury at dichotomy Mercury reaches half phase in the evening sky. Sat, 07 Jul 2018 at 11:02 EDT (2,231 days ago) in Cancer

407.

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 (2,228 days ago) in Taurus

408.

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 (2,228 days ago) in Taurus

409.

Jupiter ends retrograde motion Jupiter returns to its usual eastward motion after opposition. Tue, 10 Jul 2018 at 13:19 EDT (2,228 days ago) in Libra

410.

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 (2,228 days ago) in Pavo

411.

Mercury at greatest elongation east Mercury is bright and well placed in the evening sky. Thu, 12 Jul 2018 at 00:08 EDT (2,226 days ago) in Cancer

412.

New Moon The Moon disappears into the Sun's glare for a few days. Thu, 12 Jul 2018 at 22:48 EDT (2,226 days ago) in Gemini

413.

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 (2,226 days ago) in Gemini

414.

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 (2,225 days ago) in Gemini

415.

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 (2,225 days ago) in Gemini

416.

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 (2,224 days ago) in Leo

417.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 1°37'. Sun, 15 Jul 2018 at 23:31 EDT (2,223 days ago) in Leo

418.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Mon, 16 Jul 2018 at 00:20 EDT (2,222 days ago) in Leo

419.

Messier 55 is well placed The globular cluster M55 (NGC 6809l; mag 6.3) in Sagittarius culminates at around midnight local time. Tue, 17 Jul 2018 (2,221 days ago) in Sagittarius

420.

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. Thu, 19 Jul 2018 at 15:52 EDT (2,219 days ago) in Virgo