Comet Lemmon at perigee

Comet C/2021 T4 (Lemmon) will make its closest approach to the Earth, at a distance of 0.54 AU.

Visibility: Visible with a 4 inch telescope

Observing time:

• Mexico City: not observable
• Bogota: 21:33 - 02:36
• Madrid: not observable

Comet C/2021 T4 (Lemmon) reaches its brightest

Comet C/2021 T4 (Lemmon) will reach its brightest. It will lie at a distance of 1.49 AU from the Sun, and at a distance of 0.54 AU from the Earth.

Visibility: Visible with a 4 inch telescope

Observing time:

• Mexico City: not observable
• Bogota: 21:33 - 02:36
• Madrid: not observable

Conjunction of Moon and Mars

Moon and Mars will share the same right ascension, with Moon passing 3º16' to the north of Mars.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 08:59 - 21:33
• Bogota: 08:30 - 20:42
• Madrid: 10:13 - 23:30 (July 21)

Moon at aphelion

Moon will reach the furthest point along its orbit to the Sun, at a distance of 1.0174 AU

Visibility: Not observable

Asteroid Eunomia reaches opposition

Asteroid 15 Eunomia 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 Sagittarius.

Visibility: Visible with a 4 inch telescope

Observing time:

• Mexico City: 21:12 - 04:14
• Bogota: 19:51 - 04:15
• Madrid: 01:01 - 03:36 (July 8)

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: 00:56
• Bogota: 01:56
• Madrid: 08:56

Comet Lemmon at perihelion

Comet C/2021 T4 (Lemmon) will reach the closest point along its orbit to the Sun, at a distance of 1.48 AU.

Visibility: Visible with a 4 inch telescope

Observing time:

• Mexico City: 20:08 - 22:18
• Bogota: 19:03 - 23:17
• Madrid: not observable

Conjunction of Moon and Venus

Moon and Venus will share the same right ascension, with Moon passing 7º51' to the north of Venus.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 08:24 - 20:56
• Bogota: 07:54 - 20:05
• Madrid: 09:44 - 22:55

Conjunction of Moon and Mercury

Moon and Mercury will share the same right ascension, with Moon passing 3º30' to the north of Mercury.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 07:29 - 20:26
• Bogota: 07:09 - 19:26
• Madrid: 08:30 - 22:44

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 southern Chile and Argentina. 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

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 Moon and Mars

Moon and Mars will make a close approach, passing within 2º57' of each other in the sky.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 08:55 - 21:29
• Bogota: 08:27 - 20:38
• Madrid: 10:13 - 23:30

M55 well placed

The globular cluster M55 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: 21:26 - 03:47
• Bogota: 19:49 - 03:56
• Madrid: not observable

Conjunction of Venus and Mercury

Venus and Mercury will share the same right ascension, with Venus passing 5º17' to the south of Mercury.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 19:29 - 20:28
• Bogota: 18:26 - 19:39
• Madrid: not observable

Moon at perihelion

Moon will reach the closest point along its orbit to the Sun, at a distance of 1.0137 AU.

Visibility: Not observable

Venus at greatest brightness

Venus will reach its greatest brightness in its 2023 evening apparition. It will be shining brightly at mag -4.5.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 19:18 - 21:35
• Bogota: 18:12 - 20:39
• Madrid: 21:46 - 23:39

Close approach of Venus and Mars

Venus and Mars will make a close approach, passing within 3º33' of each other in the sky.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 19:33 - 22:08
• Bogota: 18:25 - 21:12
• Madrid: 22:08 - 00:18

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: 00:22 - 12:43
• Bogota: 23:49 - 11:57
• Madrid: 01:46 - 14:31 (July 10)

Comet ATLAS at perihelion

Comet C/2023 E1 ATLAS will reach the closest point along its orbit to the Sun, at a distance of 1.03 AU.

Visibility: Visible with a large telescope

Observing time:

• Mexico City: 20:17 - 01:36
• Bogota: all night
• Madrid: all night

The Great Peacock well placed

The globular cluster The Great Peacock (NGC 6752) will be well placed, high in the sky. It will reach its highest point in the sky in the constellation of Pavo at around midnight local time.

Visibility: Visible with binoculars

Observing time:

• Mexico City: not observable
• Bogota: 21:45 - 01:58
• Madrid: not observable

M22 well placed

The globular cluster M22 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: 20:53 - 04:20
• Bogota: 19:31 - 04:13
• Madrid: 00:21 - 04:10

Conjunction of Moon and Jupiter

Moon and Jupiter will share the same right ascension, with Moon passing 2º13' to the north of Jupiter.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 01:31 - 14:16
• Bogota: 01:07 - 13:21
• Madrid: 02:41 - 16:25

The earth at aphelion

The earth will reach the furthest point along its orbit to the Sun, at a distance of 1.0167 AU

Visibility: Not observable

Conjunction of Moon and Saturn

Moon and Saturn will share the same right ascension, with Moon passing 2º40' to the south of Saturn.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 22:28 - 10:03
• Bogota: 21:36 - 09:34
• Madrid: 00:24 - 11:17 (July 7)

Close approach of Moon and Jupiter

Moon and Jupiter will make a close approach, passing within 2º03' of each other in the sky.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 01:31 - 14:16
• Bogota: 01:07 - 13:21
• Madrid: 02:41 - 16:25

Close approach of Moon and Saturn

Moon and Saturn will make a close approach, passing within 2º25' of each other in the sky.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 22:28 - 10:02
• Bogota: 21:36 - 09:34
• Madrid: 00:24 - 11:17 (July 7)

Piscis Austrinid meteor shower 2023

The Piscis Austrinid meteor shower 2023 will be active from July 15 to August 10, producing its peak rate of meteors around July 29. It will be best seen around the constellation of Piscis Austrinus.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 21:37 - 05:45
• Bogota: 20:21 - 05:28
• Madrid: 00:26 - 06:35

Moon at aphelion

Moon will reach the furthest point along its orbit to the Sun, at a distance of 1.0191 AU

Visibility: Not observable

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: 17:48 - 04:54
• Bogota: 17:35 - 05:48
• Madrid: 20:11 - 05:11

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: 12:38 - 00:07
• Bogota: 11:44 - 23:41
• Madrid: 14:39 - 01:17 (July 26)

Comet Petriew at perihelion

Comet 185P/Petriew will reach the closest point along its orbit to the Sun, at a distance of 0.93 AU.

Visibility: Visible with a large telescope

Observing time:

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

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: 16:25
• Bogota: 17:25
• Madrid: 00:25 (July 5)

Pluto reaches opposition

The dwarf planet 134340 Pluto 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 Capricornus.

Visibility: Visible with a 4 inch telescope

Observing time:

• Mexico City: 21:07 - 04:22
• Bogota: 19:50 - 04:20
• Madrid: 00:38 - 04:10

δ-Southern Aquariid meteor shower 2023

The δ-Southern Aquariid meteor shower 2023 will be active from July 12 to August 23, producing its peak rate of meteors around July 30. It will be best seen around the constellation of Aquarius.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: 21:06 - 05:46
• Bogota: 20:08 - 05:28
• Madrid: 23:18 - 06:36

α-Capricornid meteor shower 2023

The α-Capricornid meteor shower 2023 will be active from July 3 to August 15, producing its peak rate of meteors around July 30. It will be best seen around the constellation of Capricornus.

Visibility: Visible to the naked eye

Observing time:

• Mexico City: all night
• Bogota: all night
• Madrid: all night

IC 4756 well placed

The open star cluster IC 4756 will be well placed, high in the sky. It will reach its highest point in the sky in the constellation of Serpents at around midnight local time.

Visibility: Visible with binoculars

Observing time:

• Mexico City: 20:17 - 05:01
• Bogota: 19:06 - 04:35
• Madrid: 23:11 - 05:23