401.

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. Mon, 27 Jul 2020 at 08:33 EDT (1,451 days ago) in Virgo

402.

Mercury at highest altitude in morning sky Mercury is bright and well placed in the dawn sky. Sun, 26 Jul 2020 (1,452 days ago) in Gemini

403.

Mercury at dichotomy Mercury reaches half phase in the dawn sky. Sun, 26 Jul 2020 at 05:20 EDT (1,452 days ago) in Gemini

404.

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. Sat, 25 Jul 2020 at 01:01 EDT (1,453 days ago) in Virgo

405.

Supernova SN2020qmp discovered A new supernova has been discovered in UGC 7125. Thu, 23 Jul 2020 (1,454 days ago)

406.

Comet C/2020 F3 (NEOWISE) passes perigee Comet C/2020 F3 (NEOWISE) makes its closest approach to the Earth. Thu, 23 Jul 2020 (1,455 days ago)

407.

Mercury at greatest elongation west Mercury is bright and well placed in the dawn sky. Wed, 22 Jul 2020 at 18:32 EDT (1,456 days ago) in Gemini

408.

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. Mon, 20 Jul 2020 at 23:28 EDT (1,458 days ago) in Cancer

409.

Saturn at opposition Saturn lies in the opposite direction to the Sun in the sky, making it slightly closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Mon, 20 Jul 2020 at 18:19 EDT (1,458 days ago) in Sagittarius

410.

New Moon The Moon disappears into the Sun's glare for a few days. Mon, 20 Jul 2020 at 13:34 EDT (1,458 days ago) in Cancer

411.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 3°53'. Sat, 18 Jul 2020 at 23:55 EDT (1,460 days ago) in Gemini

412.

Messier 55 is well placed The globular cluster M55 (NGC 6809l; mag 6.3) in Sagittarius culminates at around midnight local time. Fri, 17 Jul 2020 (1,461 days ago) in Sagittarius

413.

Conjunction of the Moon and Venus The Moon and Venus share the same right ascension, at a separation of 3°07'. Fri, 17 Jul 2020 at 03:27 EDT (1,461 days ago) in Taurus

414.

Close approach of the Moon and Venus The Moon and Venus pass close to each other. Fri, 17 Jul 2020 at 02:07 EDT (1,461 days ago) in Taurus

415.

Asteroid 2 Pallas at opposition Asteroid 2 Pallas makes closest approach to the Earth. Wed, 15 Jul 2020 at 07:58 EDT (1,463 days ago) in Sagitta

416.

Jupiter at perigee Jupiter reaches its closest point to the Earth – marking the best time to observe it in 1970. Wed, 15 Jul 2020 at 05:56 EDT (1,463 days ago) in Sagittarius

417.

Jupiter at opposition Jupiter lies in the opposite direction to the Sun in the sky, making it slightly closer, brighter and larger than at other times. It is also optimally positioned to be observable for much of the night. Tue, 14 Jul 2020 at 03:50 EDT (1,464 days ago) in Sagittarius

418.

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. Sun, 12 Jul 2020 at 19:29 EDT (1,466 days ago) in Pisces

419.

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, 12 Jul 2020 at 15:26 EDT (1,466 days ago) in Pisces

420.

Close approach of the Moon and Mars The Moon and Mars pass close to each other. Sat, 11 Jul 2020 at 17:19 EDT (1,467 days ago) in Cetus