July 2018 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

21 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 2018 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: 0.6
Stjernebillede: Leo
Angular diameter: 8.4"
Status: near superior conjunction

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

Rektascension: 09h23m11s
Deklination: +14°16'54"

Venus

Excellent
Tilsyneladende magnitude: -4.2
Stjernebillede: Virgo
Angular diameter: 17.5"
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

Rektascension: 10h30m51s
Deklination: +10°38'43"

Mars

Excellent
Tilsyneladende magnitude: -2.6
Stjernebillede: Aquarius
Angular diameter: 23.2"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Rektascension: 20h45m02s
Deklination: -24°12'50"

Jupiter

Excellent
Tilsyneladende magnitude: -2.2
Stjernebillede: Scorpius
Angular diameter: 39.8"
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: 14h44m58s
Deklination: -14°51'22"

Saturn

Excellent
Tilsyneladende magnitude: 0.1
Stjernebillede: Capricornus
Angular diameter: 18.3"
Status: near western quadrature

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

Rektascension: 18h19m56s
Deklination: -22°31'52"

Uranus

Fair
Tilsyneladende magnitude: 5.9
Stjernebillede: Taurus
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rektascension: 02h01m20s
Deklination: +11°46'32"

Neptune

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

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

Rektascension: 23h11m09s
Deklination: -06°17'57"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Leo
Angular diameter: 12923.1"
Status: Moon illumination 5.4%

Observation tip: Moon illumination 5.4%; good for observing lunar surface detail

Rektascension: 09h27m54s
Deklination: +16°13'48"