161.

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. Sat, 20 Jun 2020 at 06:31 EDT (1,404 days ago) in Taurus

162.

June solstice 20 June will be the longest day of 2020 in the northern hemisphere. Sat, 20 Jun 2020 at 17:36 EDT (1,404 days ago) in Taurus

163.

The Ptolemy cluster is well placed The Ptolemy Cluster (M7, NGC 6475; mag 3.3) in Scorpius culminates at around midnight local time. Sat, 20 Jun 2020 (1,404 days ago) in Scorpius

164.

Annular solar eclipse There will be an eclipse of the Sun, visible from Asia and Africa. Sun, 21 Jun 2020 at 02:41 EDT (1,403 days ago) in Taurus

165.

New Moon The Moon disappears into the Sun's glare for a few days. Sun, 21 Jun 2020 at 02:42 EDT (1,403 days ago) in Taurus

166.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 3°52'. Mon, 22 Jun 2020 at 03:19 EDT (1,402 days ago) in Gemini

167.

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 (1,402 days ago) in Hydra

168.

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 (1,402 days ago) in Sagittarius

169.

Neptune enters retrograde motion Neptune reverses its direction of motion across the sky. Mon, 22 Jun 2020 at 22:58 EDT (1,402 days ago) in Aquarius

170.

Mercury at aphelion Mercury passes the furthest point along its orbit from the Sun. Tue, 23 Jun 2020 at 00:17 EDT (1,401 days ago) in Gemini

171.

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 (1,401 days ago) in Corona Australis

172.

Conjunction of Jupiter and Pluto Jupiter and Pluto share the same right ascension, at a separation of 41'. Thu, 25 Jun 2020 at 10:19 EDT (1,399 days ago) in Sagittarius

173.

June Bootid meteor shower 2020 The June Bootid meteor shower reaches its peak. Sat, 27 Jun 2020 (1,397 days ago) in Bootes

174.

Asteroid 7 Iris at opposition Asteroid 7 Iris makes closest approach to the Earth. Sat, 27 Jun 2020 at 17:34 EDT (1,397 days ago) in Sagittarius

175.

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 04:16 EDT (1,396 days ago) in Virgo

176.

Comet C/2019 U6 (Lemmon) passes perigee Comet C/2019 U6 (Lemmon) makes its closest approach to the Earth. Sun, 28 Jun 2020 (1,396 days ago) in Sextans

177.

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 (1,396 days ago) in Ophiuchus

178.

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 22:12 EDT (1,395 days ago) in Virgo

179.

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 (1,394 days ago) in Sagittarius

180.

Supernova SN2020nvb discovered A new supernova has been discovered in NGC 4457. Tue, 30 Jun 2020 (1,393 days ago)