February 1989 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

18 himmelbegivenheder i alt, inklusive 3 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

February 1989 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: 0.2
Stjernebillede: Aquarius
Angular diameter: 7.4"
Status: near greatest eastern elongation

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

Rektascension: 20h08m46s
Deklination: -19°17'11"

Venus

Excellent
Tilsyneladende magnitude: -3.9
Stjernebillede: Aquarius
Angular diameter: 10.0"
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: 21h07m31s
Deklination: -17°31'37"

Mars

Excellent
Tilsyneladende magnitude: 0.8
Stjernebillede: Taurus
Angular diameter: 6.7"
Status: near western quadrature

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

Rektascension: 02h50m08s
Deklination: +17°33'07"

Jupiter

Excellent
Tilsyneladende magnitude: -2.3
Stjernebillede: Taurus
Angular diameter: 40.0"
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: 03h40m19s
Deklination: +18°50'54"

Saturn

Excellent
Tilsyneladende magnitude: 0.6
Stjernebillede: Capricornus
Angular diameter: 15.5"
Status: near eastern quadrature

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

Rektascension: 18h45m29s
Deklination: -22°20'35"

Uranus

Fair
Tilsyneladende magnitude: 5.8
Stjernebillede: Capricornus
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rektascension: 18h18m05s
Deklination: -23°36'27"

Neptune

Fair
Tilsyneladende magnitude: 7.9
Stjernebillede: Capricornus
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektascension: 18h49m38s
Deklination: -22°02'40"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Gemini
Angular diameter: 12078.1"
Status: Moon illumination 71.3%

Observation tip: Moon illumination 71.3%; good for observing lunar surface detail

Rektascension: 05h21m30s
Deklination: +28°13'36"