November 1990 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

November 1990 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -0.5
Stjernebillede: Sagittarius
Angular diameter: 5.0"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascension: 16h15m13s
Deklination: -23°04'11"

Venus

Excellent
Tilsyneladende magnitude: -3.9
Stjernebillede: Scorpius
Angular diameter: 9.8"
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: 15h33m55s
Deklination: -18°47'45"

Mars

Excellent
Tilsyneladende magnitude: -1.9
Stjernebillede: Gemini
Angular diameter: 18.0"
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: 04h33m09s
Deklination: +22°46'37"

Jupiter

Excellent
Tilsyneladende magnitude: -2.2
Stjernebillede: Leo
Angular diameter: 39.3"
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: 09h03m21s
Deklination: +17°20'47"

Saturn

Excellent
Tilsyneladende magnitude: 0.6
Stjernebillede: Capricornus
Angular diameter: 15.9"
Status: near western quadrature

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

Rektascension: 19h30m29s
Deklination: -21°54'16"

Uranus

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

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

Rektascension: 18h31m05s
Deklination: -23°34'02"

Neptune

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

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

Rektascension: 18h54m08s
Deklination: -22°02'52"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Libra
Angular diameter: 11598.7"
Status: Moon illumination 5.4%

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

Rektascension: 13h29m23s
Deklination: -14°45'11"