July 2002 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

23 sky events total, including 4 moon phases and 2 planetary events.

Daily Sky Events

All times are in local time (Asia/Shanghai)

Group Date Sunrise/Sunset Moonrise/Moonset Moon Phase Sky Events

Planetary outlook

July 2002 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.7
Constellation: Cancer
Angular diameter: 5.2"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 07h06m19s
Declination: +23°28'06"

Venus

Excellent
Apparent magnitude: -4.1
Constellation: Virgo
Angular diameter: 16.9"
Status: near greatest western elongation

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

Right ascension: 10h27m51s
Declination: +11°00'32"

Mars

Excellent
Apparent magnitude: 1.7
Constellation: Leo
Angular diameter: 3.5"
Status: near western quadrature

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

Right ascension: 08h13m23s
Declination: +21°03'19"

Jupiter

Excellent
Apparent magnitude: -1.8
Constellation: Cancer
Angular diameter: 31.5"
Status: near western quadrature

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

Right ascension: 07h52m26s
Declination: +21°14'20"

Saturn

Excellent
Apparent magnitude: 0.1
Constellation: Gemini
Angular diameter: 16.8"
Status: near eastern quadrature

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

Right ascension: 05h29m33s
Declination: +21°59'22"

Uranus

Fair
Apparent magnitude: 5.8
Constellation: Pisces
Angular diameter: 3.7"
Status: near eastern quadrature

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

Right ascension: 22h02m26s
Declination: -12°49'52"

Neptune

Fair
Apparent magnitude: 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

Right ascension: 20h49m57s
Declination: -17°39'07"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Virgo
Angular diameter: 12644.0"
Status: Moon illumination 25.7%

Observation tip: Moon illumination 25.7%; good for observing lunar surface detail

Right ascension: 11h42m33s
Declination: +07°30'34"