281.

Comet C/2019 U6 (Lemmon) reaches peak brightness Comet C/2019 U6 (Lemmon) is forecast to reach the brightest point in its 2020 apparition. Mon, 22 Jun 2020 (1,425 days ago) in Hydra

282.

The Lagoon Nebula is well placed The Lagoon Nebula (M8; mag 5.8) in Sagittarius culminates at around midnight local time. Mon, 22 Jun 2020 (1,425 days ago) in Sagittarius

283.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Mon, 22 Jun 2020 at 19:58 PDT (1,425 days ago) in Aquarius

284.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Mon, 22 Jun 2020 at 21:17 PDT (1,425 days ago) in Gemini

285.

NGC 6541 is well placed The globular cluster NGC 6541 (mag 6.6) in Corona Australis culminates at around midnight local time. Tue, 23 Jun 2020 (1,424 days ago) in Corona Australis

286.

Conjunction of Jupiter and Pluto Jupiter and Pluto share the same right ascension, at a separation of 41'. Thu, 25 Jun 2020 at 06:43 PDT (1,422 days ago) in Sagittarius

287.

June Bootid meteor shower 2020 The June Bootid meteor shower reaches its peak. Fri, 26 Jun 2020 (1,420 days ago) in Bootes

288.

Asteroid 7 Iris at opposition Asteroid 7 Iris makes closest approach to the Earth. Sat, 27 Jun 2020 at 14:34 PDT (1,420 days ago) in Sagittarius

289.

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, 28 Jun 2020 at 01:16 PDT (1,419 days ago) in Virgo

290.

Comet C/2019 U6 (Lemmon) passes perigee Comet C/2019 U6 (Lemmon) makes its closest approach to the Earth. Sun, 28 Jun 2020 (1,419 days ago) in Sextans

291.

The cluster NGC 6633 is well placed The open star cluster NGC 6633 (mag 4.6) in Ophiuchus culminates at around midnight local time. Sun, 28 Jun 2020 (1,419 days ago) in Ophiuchus

292.

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. Mon, 29 Jun 2020 at 19:12 PDT (1,418 days ago) in Virgo

293.

Messier 22 is well placed The globular cluster M22 (mag 5.2) in Sagittarius, near the Galactic centre, culminates at around midnight local time. Tue, 30 Jun 2020 (1,417 days ago) in Sagittarius

294.

Supernova SN2020nvb discovered A new supernova has been discovered in NGC 4457. Tue, 30 Jun 2020 (1,416 days ago)

295.

Mercury at inferior solar conjunction Mercury passes around the near side of the Sun. Tue, 30 Jun 2020 at 19:47 PDT (1,417 days ago) in Gemini

296.

The cluster IC 4756 is well placed The open star cluster IC 4756 (mag 4.6) in Serpens culminates at around midnight local time. Wed, 01 Jul 2020 (1,416 days ago) in Serpens Cauda

297.

Comet 2P/Encke passes perihelion Comet 2P/Encke makes its closest approach to the Sun. Thu, 02 Jul 2020 (1,415 days ago) in Gemini

298.

Asteroid 532 Herculina at opposition Asteroid 532 Herculina makes closest approach to the Earth. Thu, 02 Jul 2020 at 14:34 PDT (1,415 days ago) in Sagittarius

299.

The Earth at aphelion The Earth reaches its furthest point from the Sun. Sat, 04 Jul 2020 at 04:34 PDT (1,413 days ago) in Pisces

300.

Comet C/2020 F3 (NEOWISE) passes perihelion Comet C/2020 F3 (NEOWISE) makes its closest approach to the Sun. Sat, 04 Jul 2020 (1,413 days ago) in Auriga