May 1957 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

May 1957 mid-month observing conditions

Mercury

Good
Tilsyneladende magnitude: 2.9
Stjernebillede: Taurus
Angular diameter: 11.6"
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: 02h35m30s
Deklination: +12°55'54"

Venus

Excellent
Tilsyneladende magnitude: -3.9
Stjernebillede: Taurus
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: 03h59m13s
Deklination: +20°27'56"

Mars

Excellent
Tilsyneladende magnitude: 1.7
Stjernebillede: Cancer
Angular diameter: 4.2"
Status: near western quadrature

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

Rektascension: 06h28m35s
Deklination: +24°34'23"

Jupiter

Excellent
Tilsyneladende magnitude: -2.2
Stjernebillede: Virgo
Angular diameter: 40.2"
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: 11h32m22s
Deklination: +04°32'50"

Saturn

Excellent
Tilsyneladende magnitude: 0.1
Stjernebillede: Sagittarius
Angular diameter: 18.3"
Status: near eastern quadrature

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

Rektascension: 16h44m20s
Deklination: -20°25'02"

Uranus

Fair
Tilsyneladende magnitude: 5.6
Stjernebillede: Leo
Angular diameter: 3.7"
Status: near western quadrature

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

Rektascension: 08h23m23s
Deklination: +19°59'10"

Neptune

Fair
Tilsyneladende magnitude: 7.9
Stjernebillede: Libra
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascension: 13h56m34s
Deklination: -10°00'04"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Sagittarius
Angular diameter: 12155.9"
Status: Moon illumination 98.7%

Observation tip: Moon illumination 98.7%; good for observing lunar surface detail

Rektascension: 16h22m17s
Deklination: -19°56'10"