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Moon at apogee

The Moon will reach the furthest point along its orbit to the Earth and will appear slightly smaller than at other times.

Visibility: Visible to the naked eye

Observing time:

Mexico City: 12:30
Bogota: 13:30
Madrid: 20:30

Conjunction of Moon and Saturn

Moon and Saturn will share the same right ascension, with Moon passing 2º58' to the south of Saturn.

Visibility: Visible to the naked eye

Observing time:

Mexico City: 00:15 - 11:50
Bogota: 23:23 - 11:21
Madrid: 02:15 - 13:08

Conjunction of Moon and Mars

Moon and Mars will share the same right ascension, with Moon passing 3º47' to the north of Mars.

Visibility: Visible to the naked eye

Observing time:

Mexico City: 09:33 - 22:26
Bogota: 09:12 - 21:27
Madrid: 10:37 - 00:40

Close approach of Moon and Saturn

Moon and Saturn will make a close approach, passing within 2º42' of each other in the sky.

Visibility: Visible to the naked eye

Observing time:

Mexico City: 00:15 - 11:50
Bogota: 23:23 - 11:21
Madrid: 02:11 - 13:05 (June 10)

Close approach of Moon and Mars

Moon and Mars will make a close approach, passing within 3º34' of each other in the sky.

Visibility: Visible to the naked eye

Observing time:

Mexico City: 09:33 - 22:26
Bogota: 09:12 - 21:27
Madrid: 10:37 - 00:40

Moon at First Quarter

The Moon will pass first quarter phase, during this time it appears almost exactly half illuminated.

Visibility: Visible to the naked eye

Observing time:

Mexico City: 12:32 - 00:39
Bogota: 11:53 - 23:58
Madrid: 14:10 - 02:20

The Butterfly well placed

The open star cluster The Butterfly (M6) will be well placed, high in the sky. It will reach its highest point in the sky in the constellation of Scorpius at around midnight local time.

Visibility: Visible with binoculars

Observing time:

Mexico City: 21:08 - 04:03
Bogota: 19:32 - 04:11
Madrid: not observable

Conjunction of Moon and Venus

Moon and Venus will share the same right ascension, with Moon passing 3º41' to the north of Venus.

Visibility: Visible to the naked eye

Observing time:

Mexico City: 09:16 - 22:13
Bogota: 08:56 - 21:13
Madrid: 10:12 - 00:27 (June 22)

Close approach of Moon and Venus

Moon and Venus will make a close approach, passing within 3º31' of each other in the sky.

Visibility: Visible to the naked eye

Observing time:

Mexico City: 09:16 - 22:14
Bogota: 08:57 - 21:13
Madrid: 10:13 - 00:28 (June 22)

NGC 6397 well placed

The globular cluster NGC 6397 will be well placed, high in the sky. It will reach its highest point in the sky in the constellation of now at around midnight local time.

Visibility: Visible with binoculars

Observing time:

Mexico City: not observable
Bogota: 20:57 - 02:47
Madrid: not observable

Moon at perihelion

Moon will reach the closest point along its orbit to the Sun, at a distance of 1.0133 AU.

Visibility: Not observable

June Solstice

The June solstice marks the first day of summer for the Northern Hemisphere and the first day of winter for the Southern Hemisphere. June 20 will be the longest day of 2021 in the Northern Hemisphere and the shortest in the Southern Hemisphere.

Visibility: Not observable

Saturn enters retrograde motion

Saturn will enter retrograde motion, halting its usual eastward movement through the constellations, and turning to move westwards instead.
This reversal of direction is a phenomenon cuased the change of perspective due to Earth's and the outer planet's position. It occurs a few months before they reach opposition.

Visibility: Visible to the naked eye

Observing time:

Mexico City: 23:43 - 05:24
Bogota: 23:41 - 05:14
Madrid: 01:43 - 05:58

NGC 6633 well placed

The open star cluster NGC 6633 will be well placed, high in the sky. It will reach its highest point in the sky in the constellation of Ophiuchus at around midnight local time.

Visibility: Visible with binoculars

Observing time:

Mexico City: 20:16 - 05:00
Bogota: 19:06 - 04:36
Madrid: 23:11 - 05:21

Moon at Last Quarter

The Moon will pass last quarter phase, during this time it appears almost exactly half illuminated.

Visibility: Visible to the naked eye

Observing time:

Mexico City: 00:56 - 12:40
Bogota: 00:08 - 12:08
Madrid: 02:50 - 14:05

IC 4665 well placed

The open star cluster IC 4665 will be well placed, high in the sky. It will reach its highest point in the sky in the constellation of Ophiuchus at around midnight local time.

Visibility: Visible with binoculars

Observing time:

Mexico City: 00:37 - 04:57
Bogota: 19:06 - 04:41
Madrid: 23:10 - 05:18

Conjunction of Moon and Mercury

Moon and Mercury will share the same right ascension, with Moon passing 4º18' to the north of Mercury.

Visibility: Visible to the naked eye

Observing time:

Mexico City: 04:54 - 18:00
Bogota: 04:38 - 16:57
Madrid: 05:48 - 20:25

NGC 6388 well placed

The globular cluster NGC 6388 will be well placed, high in the sky. It will reach its highest point in the sky in the constellation of Scorpius at around midnight local time.

Visibility: Visible with a small telescope

Observing time:

Mexico City: 22:56 - 02:14
Bogota: 20:21 - 03:21
Madrid: not observable

The Lagoon Nebula well placed

The Lagoon Nebula (M8) will be well placed, high in the sky. It will reach its highest point in the sky in the constellation of Sagittarius at around midnight local time.

Visibility: Visible with binoculars

Observing time:

Mexico City: 20:59 - 04:11
Bogota: 19:36 - 04:06
Madrid: 00:40 - 03:48

The Ptolemy Cluster well placed

The open star cluster Ptolemy (M7) will be well placed, high in the sky. It will reach its highest point in the sky in the constellation of scorpio at around midnight local time.

Visibility: Visible with binoculars

Observing time:

Mexico City: 21:08 - 04:05
Bogota: 19:29 - 04:18
Madrid: not observable

Daytime Arietid meteor shower 2023

The Daytime Arietid meteor shower 2023 will be active from April 14 to June 24, producing its peak rate of meteors around June 11. It will be best seen around the constellation of Aries.

Visibility: Visible to the naked eye

Observing time:

Mexico City: 03:34 - 05:30
Bogota: 03:22 - 05:19
Madrid: 04:20 - 06:08

Lunar occultation of Delta Scorpii

The Moon will pass in front of Delta Scorpii, creating a lunar occultation visible from parts of Antarctica, Oceania, New Zealand and South America. Due to the closeness of the Moon to the Earth, a lunar occultation is not visible all the world.

Visibility: Visible with binoculars

Observing time:

Mexico City: not observable
Bogota: not observable
Madrid: not observable

M62 well placed

The globular cluster M62 will be well placed, high in the sky. It will reach its highest point in the sky in the constellation of Ophiuchus at around midnight local time.

Visibility: Visible with binoculars

Observing time:

Mexico City: 21:22 - 03:49
Bogota: 19:47 - 03:57
Madrid: not observable

M12 well placed

The globular cluster M12 will be well placed, high in the sky. It will reach its highest point in the sky in the constellation of Ophiuchus at around midnight local time.

Visibility: Visible with binoculars

Observing time:

Mexico City: 20:14 - 04:57
Bogota: 19:23 - 04:25
Madrid: 23:00 - 05:22

M92 well placed

The globular cluster M92 will be well placed, high in the sky. It will reach its highest point in the sky in the constellation of Hercules at around midnight local time.

Visibility: Visible with a small telescope

Observing time:

Mexico City: 20:12 - 04:56
Bogota: 19:36 - 04:08
Madrid: 23:07 - 05:19

Lunar occultation of Delta Scorpii (Dschubba)

The Moon will pass in front of Delta Scorpii (Dschubba), creating a lunar occultation visible from parts of Antarctica and the Southern Ocean. Due to the closeness of the Moon to the Earth, a lunar occultation is not visible all the world.

Visibility: Visible with binoculars

Observing time:

Mexico City: not observable
Bogota: not observable
Madrid: not observable

Conjunction of Mercury and Uranus

Mercury and Uranus will share the same right ascension, with Mercury passing 2º54' to the south of Uranus.

Visibility: Visible with binoculars

Observing time:

Mexico City: 04:31 - 05:30
Bogota: 04:11 - 05:18
Madrid: not observable

Mercury at solar superior conjunction

Mercury will pass very close to the Sun in the sky since it will be in the opposite side of the Sun. At closest approach, it will appear at a separation of only 1º16' from the Sun.

Visibility: Not observable

Mercury at highest altitude in morning sky

Mercury will reach its highest point in the sky in its May - June 2023 morning apparition. It will be shining brightly at mag 0.4.

Visibility: Visible to the naked eye

Observing time:

Mexico City: 04:32 - 05:55
Bogota: 04:07 - 05:40 (May 31)
Madrid: 05:39 - 06:42 (June 5)

Venus at dichotomy

Venus will reach half phase in its 2023 evening apparition. It will be shining brightly at mag -4.3.

Visibility: Visible to the naked eye

Observing time:

Mexico City: 19:11 - 22:25
Bogota: 18:05 - 21:18
Madrid: 21:39 - 00:55 (June 4)

Full Moon

The Moon will be almost exactly on the other side of the Sun and will appear fully illuminated.

Visibility: Visible to the naked eye

Observing time:

Mexico City: 19:03 - 06:11
Bogota: 16:48 - 05:01
Madrid: 20:05 - 05:53 (June 4)

Close approach of Moon and Jupiter

Moon and Jupiter will make a close approach, passing within 1º22' of each other in the sky.

Visibility: Visible to the naked eye

Observing time:

Mexico City: 03:05 - 15:45
Bogota: 02:35 - 14:47 (June 14)
Madrid: 04:14 - 17:47 (June 14)

Close approach of Venus and the open star cluster The Beehive (M44)

Venus and the open star cluster The Beehive (M44) will make a close approach, passing within 47.9 of each other in the sky.

Visibility: Visible with binoculars

Observing time:

Mexico City: 19:29 - 22:20
Bogota: 18:21 - 21:18
Madrid: 22:06 - 00:38 (June 14)

Neptune enters retrograde motion

Neptune will enter retrograde motion, halting its usual eastward movement through the constellations, and turning to move westwards instead.
This reversal of direction is a phenomenon cuased the change of perspective due to Earth's and the outer planet's position. It occurs a few months before they reach opposition.

Visibility: Visible with binoculars

Observing time:

Mexico City: 23:56 - 05:00
Bogota: 23:14 - 04:52
Madrid: 01:39 - 05:22

The Great Globular Cluster well placed

The Great Globular Cluster (M13) will be well placed, high in the sky. It will reach its highest point in the sky in the constellation of Hercules at around midnight local time.

Visibility: Visible with binoculars

Observing time:

Mexico City: 20:09 - 04:57
Bogota: 19:26 - 04:18
Madrid: 23:00 - 05:23

June Bootid meteor shower 2023

The June Bootid meteor shower 2023 will be active from June 22 to July 2, producing its peak rate of meteors around June 27. It will be best seen around the constellation of Bootes.

Visibility: Visible to the naked eye

Observing time:

Mexico City: dusk - 04:44
Bogota: dusk - 02:52
Madrid: all night

Mercury at perihelion

Mercury will reach the closest point along its orbit to the Sun, at a distance of 0.31 AU.

Visibility: Not observable

Conjunction of Moon and Jupiter

Moon and Jupiter will share the same right ascension, with Moon passing 1º30' to the north of Jupiter.

Visibility: Visible to the naked eye

Observing time:

Mexico City: 03:01 - 15:41
Bogota: 02:35 - 14:47
Madrid: 04:14 - 17:47

Asteroid Parthenope reaches opposition

Asteroid 11 Parthenope will reach opposition and will be visible for much of the night, when it lies opposite to the Sun in the sky in the constellation of Ophiuchus.

Visibility: Visible with a 4 inch telescope

Observing time:

Mexico City: 20:41 - 04:32
Bogota: 19:31 - 04:14
Madrid: 23:35 - 04:57

The Moon at perigee

The Moon will reach the closest point along its orbit to the Earth and will appear slightly larger than at other times.

Visibility: Visible to the naked eye

Observing time:

Mexico City: 17:05
Bogota: 18:05
Madrid: 01:05 (June 7)

New Moon

The Moon will pass close to the Sun and become lost in the its glare for a few days.

Visibility: Not observable

Close approach of Mars and the open star cluster The Beehive (M44)

Mars and the open star cluster The Beehive (M44) will make a close approach, passing within 0º10.4' of each other in the sky.

Visibility: Visible with binoculars

Observing time:

Mexico City: 19:50 - 23:03
Bogota: 18:41 - 22:01
Madrid: 22:33 - 01:21 (June 3)

M10 well placed

The globular cluster M10 will be well placed, high in the sky. It will reach its highest point in the sky in the constellation of Ophiuchus at around midnight local time.

Visibility: Visible with a small telescope

Observing time:

Mexico City: 20:16 - 04:55
Bogota: 19:22 - 04:22
Madrid: 23:03 - 05:20

NGC 6541 well placed

The globular cluster NGC 6541 will be well placed, high in the sky. It will reach its highest point in the sky in the constellation of Corona Australis at around midnight local time.

Visibility: Visible with a small telescope

Observing time: