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: 19:27 - 06:47
• Bogota: 17:13 - 05:34
• Madrid: 20:37 - 06:12

Conjunction of Moon and Jupiter

Moon and Jupiter will share the same right ascension, with Moon passing 4º37' to the south of Jupiter.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 01:28 - 06:41
• Bogota: 23:35 - 05:29
• Madrid: 02:28 - 06:28

M92 well placed

The globular cluster M92 (NGC 6341) 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: 21:16 - 06:00
• Bogota: 19:35 - 04:06
• Madrid: 23:10 - 05:22

Close approach of Moon and Jupiter

Moon and Jupiter will make a close approach, passing within 4º21' of each other in the sky.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 01:28 - 06:41
• Bogota: 23:35 - 05:29
• Madrid: 02:28 - 06:28

Close approach of Mars and M44

Mars and M44 will make a close approach, passing within 0º0.5' of each other in the sky.

Visibility: Visible with binoculars

Observing time:

• Mexico City: 20:59 - 22:41
• Bogota: 18:51 - 20:38
• Madrid: not observable

Close approach of Moon and Saturn

Moon and Saturn will make a close approach, passing within 3º54' of each other in the sky.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 23:18 - 06:45
• Bogota: 21:15 - 05:32
• Madrid: 00:44 - 06:27

Conjunction of Moon and Jupiter

Moon and Jupiter will share the same right ascension, with Moon passing 4º27' to the south of Jupiter.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 00:18 - 06:45
• Bogota: 22:26 - 05:32
• Madrid: 01:32 - 06:27

Close approach of Moon and Jupiter

Moon and Jupiter will make a close approach, passing within 4º10' of each other in the sky.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 00:18 - 06:45
• Bogota: 22:26 - 05:32
• Madrid: 01:32 - 06:27

NGC 6530 well placed

The open globular cluster NGC 6530 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: 21:49 - 05:26
• Bogota: 19:27 - 04:19
• Madrid: 00:11 - 04:17

Conjunction of Moon and Saturn

Moon and Saturn will share the same right ascension, with Moon passing 4º01' to the south of Saturn.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 23:18 - 06:45
• Bogota: 21:15 - 05:32
• Madrid: 00:44 - 06:27

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: 21:17 - 06:01
• Bogota: 19:10 - 04:39
• Madrid: 23:15 - 05:23

June bootida meteor shower 2021

The June bootida meteor shower 2021 will be active from June 22nd to July 2nd, producing its peak rate of meteors around June 27th. It will be best seen around the constellation of Bootes.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: dusk - 05:45
• Bogotá: dusk - 02:52
• Madrid: all night

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: 04:54
• Bogota: 04:54
• Madrid: 11:54

Conjunction of Moon and Venus

Moon and Venus will share the same right ascension, with Moon passing 1º28' to the north of Venus.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 20:32 - 21:41
• Bogota: 18:23 - 19:33
• Madrid: 22:06 - 23:16

Jupiter enters retrograde motion

Jupiter 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: 00:50 - 06:43
• Bogota: 22:55 - 05:30
• Madrid: 01:17 - 06:25

Venus at perihelion

Venus will reach the closest point along its orbit to the Sun, at a distance of 0.72 AU.

Visibility: Not observable

Comet Finlay at perigee

Comet 15P / Finlay will make its closest approach to the Earth, at a distance of 1.10 AU.

Visibility: Visible with a 4 inch telescope

Observing time:

• Mexico City: 05:02 - 05:58
• Bogota: 03:24 - 04:52
• Madrid: not observable

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: 02:09 - 06:41
• Bogota: 00:15 - 05:29
• Madrid: 03:13 - 06:24

IC4665 well placed

The open star cluster IC4665 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 to the naked eye

Observing time:

• Mexico City: 21:18 - 05:58
• Bogota: 19:05 - 04:41
• Madrid: 23:12 - 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:

• Mexico City: 23:51 - 03:31
• Bogota: 20:23 - 03:30
• Madrid: not observable

M13 well placed

The globular cluster Hercules (M13, NGC 6205) 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: 21:09 - 05:57
• Bogota: 19:26 - 04:17
• Madrid: 23:04 - 05:24

Moon at aphelion

Moon will reach the furthest point along its orbit to the Sun, at a distance of 1.0189 AU

Visibility: Not observable

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 a small telescope

Observing time:

• Mexico City: 01:03 - 06:00
• Bogota: 23:19 - 04:51
• Madrid: 01:47 - 05:22

The Ptolemy Cluster well placed

The Ptolemy Cluster (M7, NGC 6475) 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: 22:08 - 05:05
• Bogota: 19:27 - 04:16
• Madrid: 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

Conjunction of Moon and Mars

Moon and Mars will share the same right ascension, with Moon passing 2º48' to the north of Mars.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 20:32 - 22:56
• Bogota: 18:24 - 20:51
• Madrid: 22:07 - 00:23

M10 well placed

The globular cluster M10 (NGC 6254) 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 to the naked eye

Observing time:

• Mexico City: 21:19 - 05:58
• Bogota: 19:24 - 04:24
• Madrid: 23:04 - 05:24

Close approach of Moon and Mars

Moon and Mars will make a close approach, passing within 2º46' of each other in the sky.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 20:32 - 22:56
• Bogota: 18:24 - 20:51
• Madrid: 22:07 - 00:23

Mercury at aphelion

Mercury will reach the furthest point along its orbit to the Sun, at a distance of 0.47 AU

Visibility: Not observable

M12 well placed

The globular cluster M12 (NGC 6218) 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: 21:16 - 05:58
• Bogota: 19:24 - 04:26
• Madrid: 23:04 - 05:24

Annular Solar eclipse

The Moon will pass in front of the Sun, creating an annular solar eclipse. It will be visible from Canada and Greenland.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: not observable
• Bogotá: not observable
• Madrid: 10:13 - 15:11

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: 00:02 - 03:20
• Bogota: 20:27 - 03:27
• Madrid: not observable

New Moon

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

Visibility: Not observable

Diurnal Arietid meteor shower 2021

The Diurnal Arietid meteor shower 2021 will be active from April 14th to June 24, producing its peak rate of meteors around June 10th. It will be best seen around the constellation of Aries.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 04:38 - 06:31
• Bogota: 03:25 - 05:23
• Madrid: 04:24 - 06:10

Mercury at solar inferior conjunction

Mercury will pass very close to the Sun in the sky as its orbit carries it between the Sun and Earth. At closest approach, it will appear at a separation of only 3º08' from the Sun.

Visibility: Not observable

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: 21:27
• Bogota: 21:27
• Madrid: 04:27 (June 8)

Conjunction of Uranus and Ceres 1

Uranus and Ceres 1 will share the same right ascension, with Uranus passing 6º25' to the north of Ceres 1.

Visibility: Not observable

The Butterfly well placed

The open star cluster The Butterfly (M6, NGC 6405) 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: 22:14 - 05:08
• Bogota: 19:38 - 04:16
• Madrid: not observable

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: 20:34 - 02:00
• Bogota: 18:25 - 00:13
• Madrid: 22:08 - 02:45 (June 18)

Moon at perihelion

Moon will reach the closest point along its orbit to the Sun, at a distance of 1.0125 AU.

Visibility: Not observable

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 Ara at around midnight local time.

Visibility: Visible with binoculars

Observing time:

• Mexico City: not observable
• Bogota: 20:58 - 02:49
• Madrid: not observable

Asteroid 63 Ausonia reaches opposition

Asteroid 63 Ausonia 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 Scorpius.

Visibility: Visible with a 4 inch telescope

Observing time:

• Mexico City: 22:29 - 04:29
• Bogota: 19:45 - 03:44
• Madrid: not observable

M62 well placed

Globular cluster M62 (NGC 6266) 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: 22:25 - 04:53
• Bogota: 19:50 - 04:00
• Madrid: not observable