281.

NGC 6397 is well placed The globular cluster NGC 6397 (mag 5.6) in Ara culminates at around midnight local time. Thu, 17 Jun 2021 (1,095 days ago) in Ara

282.

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, 17 Jun 2021 at 23:54 EDT (1,095 days ago) in Virgo

283.

The cluster IC 4665 is well placed The open star cluster IC 4665 (mag 4.2) in Ophiuchus culminates at around midnight local time. Fri, 18 Jun 2021 (1,094 days ago) in Ophiuchus

284.

Jupiter enters retrograde motion Jupiter reverses its direction of motion across the sky. Sun, 20 Jun 2021 at 11:07 EDT (1,092 days ago) in Aquarius

285.

The Ptolemy cluster is well placed The Ptolemy Cluster (M7, NGC 6475; mag 3.3) in Scorpius culminates at around midnight local time. Sun, 20 Jun 2021 (1,092 days ago) in Scorpius

286.

June solstice 21 June will be the longest day of 2021 in the northern hemisphere. Sun, 20 Jun 2021 at 23:25 EDT (1,092 days ago) in Taurus

287.

Lunar occultation of Beta1 Scorpii The Moon will pass in front of Beta1 Scorpii (Acrab), creating a lunar occultation visible from Sub-Saharan Africa, Australia and Heard Island and McDonald Islands. Tue, 22 Jun 2021 at 14:28 EDT (1,090 days ago) in Scorpius

288.

The Lagoon Nebula is well placed The Lagoon Nebula (M8; mag 5.8) in Sagittarius culminates at around midnight local time. Tue, 22 Jun 2021 (1,090 days ago) in Sagittarius

289.

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. Wed, 23 Jun 2021 at 05:54 EDT (1,089 days ago) in Ophiuchus

290.

Close approach of Mars and M44 Mars and M44 pass close to each other. Wed, 23 Jun 2021 at 18:35 EDT (1,089 days ago) in Cancer

291.

NGC 6541 is well placed The globular cluster NGC 6541 (mag 6.6) in Corona Australis culminates at around midnight local time. Wed, 23 Jun 2021 (1,089 days ago) in Corona Australis

292.

Full Moon The Moon reaches full phase and is visible for much of the night. Thu, 24 Jun 2021 at 14:39 EDT (1,088 days ago) in Sagittarius

293.

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, 25 Jun 2021 at 01:47 EDT (1,087 days ago) in Sagittarius

294.

Lunar occultation of Sigma Sagittarii The Moon will pass in front of Sigma Sagittarii (Nunki), creating a lunar occultation visible from countries and territories including the Contiguous United States, Mexico, Hawaii and Kiribati amongst others. Fri, 25 Jun 2021 at 05:40 EDT (1,087 days ago) in Sagittarius

295.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Fri, 25 Jun 2021 at 13:08 EDT (1,087 days ago) in Aquarius

296.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 4°01'. Sun, 27 Jun 2021 at 05:26 EDT (1,085 days ago) in Capricornus

297.

June Bootid meteor shower 2021 The June Bootid meteor shower reaches its peak. Sun, 27 Jun 2021 (1,085 days ago) in Bootes

298.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Sun, 27 Jun 2021 at 07:05 EDT (1,085 days ago) in Capricornus

299.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 4°27'. Mon, 28 Jun 2021 at 14:41 EDT (1,084 days ago) in Aquarius

300.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Mon, 28 Jun 2021 at 17:27 EDT (1,084 days ago) in Aquarius