August 1987 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

24 himmelbegivenheder i alt, inklusive 4 månefaser og 3 planetariske begivenheder.

Daglige himmelbegivenheder

Alle tider er i lokal tid (Asia/Shanghai)

Group Dato Solopgang/Solnedgang Måneopgang/Månenedgang Månefase Himmelbegivenheder

Planetary outlook

August 1987 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -1.7
Stjernebillede: Leo
Angular diameter: 5.1"
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

Rektascension: 09h16m08s
Deklination: +17°33'17"

Venus

Excellent
Tilsyneladende magnitude: -3.9
Stjernebillede: Leo
Angular diameter: 9.7"
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

Rektascension: 09h28m47s
Deklination: +16°10'00"

Mars

Excellent
Tilsyneladende magnitude: 1.7
Stjernebillede: 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

Rektascension: 09h50m47s
Deklination: +14°15'29"

Jupiter

Excellent
Tilsyneladende magnitude: -2.6
Stjernebillede: Aries
Angular diameter: 44.0"
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

Rektascension: 01h52m30s
Deklination: +10°01'49"

Saturn

Excellent
Tilsyneladende magnitude: 0.3
Stjernebillede: Sagittarius
Angular diameter: 17.3"
Status: near western quadrature

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

Rektascension: 16h53m38s
Deklination: -21°06'57"

Uranus

Fair
Tilsyneladende magnitude: 5.6
Stjernebillede: Sagittarius
Angular diameter: 3.8"
Status: near western quadrature

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

Rektascension: 17h28m48s
Deklination: -23°24'28"

Neptune

Fair
Tilsyneladende magnitude: 7.8
Stjernebillede: Capricornus
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascension: 18h23m51s
Deklination: -22°17'42"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Taurus
Angular diameter: 12091.2"
Status: Moon illumination 63.9%

Observation tip: Moon illumination 63.9%; good for observing lunar surface detail

Rektascension: 02h09m37s
Deklination: +16°02'24"