July 2001 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

July 2001 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -0.2
Stjernebillede: Cancer
Angular diameter: 6.9"
Status: near inferior conjunction

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

Rektascension: 06h11m00s
Deklination: +21°40'16"

Venus

Excellent
Tilsyneladende magnitude: -4.1
Stjernebillede: Gemini
Angular diameter: 16.8"
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: 04h35m51s
Deklination: +19°34'36"

Mars

Excellent
Tilsyneladende magnitude: -1.9
Stjernebillede: Sagittarius
Angular diameter: 19.2"
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: 16h54m00s
Deklination: -26°50'36"

Jupiter

Excellent
Tilsyneladende magnitude: -1.9
Stjernebillede: Cancer
Angular diameter: 32.7"
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: 06h01m55s
Deklination: +23°09'50"

Saturn

Excellent
Tilsyneladende magnitude: 0.2
Stjernebillede: Gemini
Angular diameter: 16.9"
Status: near eastern quadrature

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

Rektascension: 04h36m43s
Deklination: +20°20'53"

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: 21h46m25s
Deklination: -14°13'05"

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: 20h40m40s
Deklination: -18°10'49"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Taurus
Angular diameter: 11953.1"
Status: Moon illumination 37.9%

Observation tip: Moon illumination 37.9%; good for observing lunar surface detail

Rektascension: 02h23m45s
Deklination: +09°28'44"