June 1999 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

20 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

June 1999 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -0.2
Stjernebillede: Cancer
Angular diameter: 6.3"
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: 07h02m43s
Deklination: +24°39'04"

Venus

Excellent
Tilsyneladende magnitude: -4.4
Stjernebillede: Leo
Angular diameter: 24.5"
Status: near superior 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: 08h47m11s
Deklination: +20°03'59"

Mars

Excellent
Tilsyneladende magnitude: -0.8
Stjernebillede: Libra
Angular diameter: 12.9"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Rektascension: 13h32m18s
Deklination: -10°22'50"

Jupiter

Excellent
Tilsyneladende magnitude: -2.2
Stjernebillede: Aries
Angular diameter: 36.2"
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: 01h44m36s
Deklination: +09°33'31"

Saturn

Excellent
Tilsyneladende magnitude: 0.4
Stjernebillede: Taurus
Angular diameter: 16.7"
Status: near eastern quadrature

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

Rektascension: 02h43m29s
Deklination: +13°30'24"

Uranus

Fair
Tilsyneladende magnitude: 5.8
Stjernebillede: Aquarius
Angular diameter: 3.7"
Status: near eastern quadrature

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

Rektascension: 21h16m56s
Deklination: -16°31'51"

Neptune

Fair
Tilsyneladende magnitude: 7.7
Stjernebillede: Aquarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascension: 20h24m55s
Deklination: -18°58'48"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Cancer
Angular diameter: 12859.6"
Status: Moon illumination 2.2%

Observation tip: Moon illumination 2.2%; good for observing lunar surface detail

Rektascension: 06h44m32s
Deklination: +20°11'57"