January 2003 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

25 himmelbegivenheder i alt, inklusive 4 månefaser og 3 planetariske begivenheder.

Daglige himmelbegivenheder

Alle tider er i lokal tid (Asia/Shanghai)

Group Dato Solopgang/Solnedgang Måneopgang/Månenedgang Månefase Himmelbegivenheder

Planetary outlook

January 2003 mid-month observing conditions

Mercury

Good
Tilsyneladende magnitude: 3.2
Stjernebillede: Capricornus
Angular diameter: 10.0"
Status: near greatest eastern elongation

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascension: 19h12m26s
Deklination: -18°59'54"

Venus

Excellent
Tilsyneladende magnitude: -4.5
Stjernebillede: Sagittarius
Angular diameter: 23.7"
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: 16h25m33s
Deklination: -18°10'36"

Mars

Excellent
Tilsyneladende magnitude: 1.4
Stjernebillede: Scorpius
Angular diameter: 4.8"
Status: near eastern quadrature

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

Rektascension: 15h45m57s
Deklination: -19°17'55"

Jupiter

Excellent
Tilsyneladende magnitude: -2.6
Stjernebillede: Leo
Angular diameter: 45.0"
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: 09h12m40s
Deklination: +16°58'59"

Saturn

Excellent
Tilsyneladende magnitude: -0.3
Stjernebillede: Gemini
Angular diameter: 20.3"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

Rektascension: 05h31m42s
Deklination: +22°01'52"

Uranus

Fair
Tilsyneladende magnitude: 6.0
Stjernebillede: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Rektascension: 21h57m34s
Deklination: -13°12'30"

Neptune

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

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

Rektascension: 20h49m59s
Deklination: -17°41'19"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Gemini
Angular diameter: 11771.8"
Status: Moon illumination 87.7%

Observation tip: Moon illumination 87.7%; good for observing lunar surface detail

Rektascension: 04h46m58s
Deklination: +22°51'47"