261.

Messier 10 is well placed The globular cluster M10 (NGC 6254; mag 6.6) in Ophiuchus culminates at around midnight local time. Tue, 06 Jun 2023 (334 days ago) in Ophiuchus

262.

Messier 62 is well placed The globular cluster M62 (NGC 6266; mag 6.4) in Ophiuchus culminates at around midnight local time. Wed, 07 Jun 2023 (333 days ago) in Ophiuchus

263.

Conjunction of the Moon and Saturn The Moon and Saturn share the same right ascension, at a separation of 2°58'. Fri, 09 Jun 2023 at 13:22 PDT (331 days ago) in Aquarius

264.

Close approach of the Moon and Saturn The Moon and Saturn pass close to each other. Fri, 09 Jun 2023 at 15:29 PDT (331 days ago) in Aquarius

265.

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. Sat, 10 Jun 2023 at 12:31 PDT (330 days ago) in Aquarius

266.

Daytime Arietid meteor shower 2023 The Daytime Arietid meteor shower reaches its peak. Sat, 10 Jun 2023 (329 days ago) in Aries

267.

Messier 92 is well placed The globular cluster M92 (NGC 6341; mag 6.5) in Hercules culminates at around midnight local time. Sun, 11 Jun 2023 (329 days ago) in Hercules

268.

Close approach of Venus and M44 Venus and M44 pass close to each other. Tue, 13 Jun 2023 at 17:30 PDT (327 days ago) in Cancer

269.

Close approach of the Moon and Jupiter The Moon and Jupiter pass close to each other. Tue, 13 Jun 2023 at 22:26 PDT (327 days ago) in Aries

270.

Conjunction of the Moon and Jupiter The Moon and Jupiter share the same right ascension, at a separation of 1°30'. Tue, 13 Jun 2023 at 23:36 PDT (327 days ago) in Aries

271.

Conjunction of the Moon and Mercury The Moon and Mercury share the same right ascension, at a separation of 4°18'. Fri, 16 Jun 2023 at 13:40 PDT (324 days ago) in Taurus

272.

NGC 6388 is well placed The globular cluster NGC 6388 (mag 6.8) in Scorpius culminates at around midnight local time. Fri, 16 Jun 2023 (324 days ago) in Scorpius

273.

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, 17 Jun 2023 at 06:26 PDT (323 days ago) in Taurus

274.

Saturn enters retrograde motion Saturn reverses its direction of motion across the sky. Sat, 17 Jun 2023 at 09:51 PDT (323 days ago) in Aquarius

275.

The Butterfly cluster is well placed The Butterfly open star cluster (M6, NGC 6405; mag 4.2) in Scorpius culminates at around midnight local time. Sat, 17 Jun 2023 (323 days ago) in Scorpius

276.

NGC 6397 is well placed The globular cluster NGC 6397 (mag 5.6) in Ara culminates at around midnight local time. Sat, 17 Jun 2023 (323 days ago) in Ara

277.

New Moon The Moon disappears into the Sun's glare for a few days. Sat, 17 Jun 2023 at 21:38 PDT (323 days ago) in Taurus

278.

The cluster IC 4665 is well placed The open star cluster IC 4665 (mag 4.2) in Ophiuchus culminates at around midnight local time. Sun, 18 Jun 2023 (322 days ago) in Ophiuchus

279.

The Ptolemy cluster is well placed The Ptolemy Cluster (M7, NGC 6475; mag 3.3) in Scorpius culminates at around midnight local time. Tue, 20 Jun 2023 (320 days ago) in Scorpius

280.

June solstice 21 June will be the longest day of 2023 in the northern hemisphere. Wed, 21 Jun 2023 at 07:54 PDT (319 days ago) in Taurus