July 2004 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

23 himmelbegivenheder i alt, inklusive 4 månefaser og 2 planetariske begivenheder.

Daglige himmelbegivenheder

Alle tider er i lokal tid (Asia/Shanghai)

Group Dato Solopgang/Solnedgang Måneopgang/Månenedgang Månefase Himmelbegivenheder

Planetary outlook

July 2004 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: 0.0
Stjernebillede: Leo
Angular diameter: 6.4"
Status: near greatest western elongation

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

Rektascension: 09h18m19s
Deklination: +16°37'48"

Venus

Excellent
Tilsyneladende magnitude: -4.7
Stjernebillede: Gemini
Angular diameter: 37.1"
Status: near greatest eastern elongation

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

Rektascension: 04h50m57s
Deklination: +17°44'25"

Mars

Excellent
Tilsyneladende magnitude: 1.8
Stjernebillede: Leo
Angular diameter: 3.6"
Status: near western quadrature

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

Rektascension: 09h04m31s
Deklination: +17°57'47"

Jupiter

Excellent
Tilsyneladende magnitude: -1.8
Stjernebillede: Virgo
Angular diameter: 32.9"
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

Rektascension: 11h08m30s
Deklination: +06°44'54"

Saturn

Excellent
Tilsyneladende magnitude: 0.1
Stjernebillede: Cancer
Angular diameter: 16.5"
Status: near eastern quadrature

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

Rektascension: 07h16m21s
Deklination: +22°01'16"

Uranus

Fair
Tilsyneladende magnitude: 5.8
Stjernebillede: Pisces
Angular diameter: 3.7"
Status: near eastern quadrature

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

Rektascension: 22h33m35s
Deklination: -09°55'11"

Neptune

Fair
Tilsyneladende magnitude: 7.7
Stjernebillede: Aquarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascension: 21h08m15s
Deklination: -16°31'19"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Gemini
Angular diameter: 11454.6"
Status: Moon illumination 5.6%

Observation tip: Moon illumination 5.6%; good for observing lunar surface detail

Rektascension: 05h40m49s
Deklination: +27°04'02"