August 2017 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

21 himmelbegivenheder i alt, inklusive 4 månefaser og 1 planetariske begivenheder.

Daglige himmelbegivenheder

Alle tider er i lokal tid (Asia/Shanghai)

Group Dato Solopgang/Solnedgang Måneopgang/Månenedgang Månefase Himmelbegivenheder

Planetary outlook

August 2017 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: 1.5
Stjernebillede: Virgo
Angular diameter: 10.1"
Status: near superior conjunction

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

Rektascension: 10h45m10s
Deklination: +03°20'53"

Venus

Excellent
Tilsyneladende magnitude: -3.9
Stjernebillede: Cancer
Angular diameter: 13.5"
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: 07h12m12s
Deklination: +21°33'36"

Mars

Excellent
Tilsyneladende magnitude: 1.7
Stjernebillede: Leo
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rektascension: 09h16m42s
Deklination: +17°01'04"

Jupiter

Excellent
Tilsyneladende magnitude: -1.8
Stjernebillede: Libra
Angular diameter: 33.2"
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: 13h12m07s
Deklination: -06°24'30"

Saturn

Excellent
Tilsyneladende magnitude: 0.3
Stjernebillede: Sagittarius
Angular diameter: 17.4"
Status: near western quadrature

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

Rektascension: 17h22m20s
Deklination: -21°56'22"

Uranus

Fair
Tilsyneladende magnitude: 5.8
Stjernebillede: Aries
Angular diameter: 3.6"
Status: near eastern quadrature

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

Rektascension: 01h46m39s
Deklination: +10°22'41"

Neptune

Fair
Tilsyneladende magnitude: 7.7
Stjernebillede: Pisces
Angular diameter: 2.4"
Status: near eastern quadrature

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

Rektascension: 23h00m19s
Deklination: -07°22'45"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Taurus
Angular diameter: 12524.3"
Status: Moon illumination 50.7%

Observation tip: Moon illumination 50.7%; good for observing lunar surface detail

Rektascension: 03h22m39s
Deklination: +13°04'38"