July 1998 Événements célestes

Lieu d'observation:Beijing (39.904°, 116.407°)

Aperçu des événements célestes mensuels

23 événements célestes au total, dont 5 phases lunaires et 2 événements planétaires.

Événements célestes quotidiens

Toutes les heures en heure locale (Asia/Shanghai)

Group Date Lever/Coucher du soleil Lever/Coucher de la lune Phase lunaire Événements célestes

Planetary outlook

July 1998 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: 0.4
Constellation: Leo
Angular diameter: 7.6"
Status: near greatest western elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Ascension droite: 09h24m59s
Déclinaison: +14°54'52"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Gemini
Angular diameter: 11.6"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Ascension droite: 05h35m53s
Déclinaison: +22°23'00"

Mars

Excellent
Magnitude apparente: 1.6
Constellation: Cancer
Angular diameter: 3.7"
Status: near eastern quadrature

Observation tip: Visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Ascension droite: 06h25m26s
Déclinaison: +23°58'42"

Jupiter

Excellent
Magnitude apparente: -2.6
Constellation: Pisces
Angular diameter: 44.1"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its moons are easy to spot and it is excellent for telescope observing

Ascension droite: 23h54m56s
Déclinaison: -02°00'09"

Saturn

Excellent
Magnitude apparente: 0.5
Constellation: Taurus
Angular diameter: 17.6"
Status: near eastern quadrature

Observation tip: Visible to the naked eye; Saturn’s rings require a telescope to see clearly

Ascension droite: 02h05m39s
Déclinaison: +10°07'47"

Uranus

Fair
Magnitude apparente: 5.7
Constellation: Aquarius
Angular diameter: 3.7"
Status: near eastern quadrature

Observation tip: Binoculars are recommended; Binoculars or a telescope are recommended

Ascension droite: 20h56m41s
Déclinaison: -17°58'37"

Neptune

Fair
Magnitude apparente: 7.7
Constellation: Aquarius
Angular diameter: 2.3"
Status: near eastern quadrature

Observation tip: A telescope is required; A telescope is required; Neptune appears blue-green

Ascension droite: 20h12m36s
Déclinaison: -19°35'19"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Aries
Angular diameter: 12563.4"
Status: Moon illumination 68.5%

Observation tip: Moon illumination 68.5%; good for observing lunar surface detail

Ascension droite: 00h06m40s
Déclinaison: -01°59'38"