July 1987 Himmelsereignisse

Beobachterstandort:Beijing (39.904°, 116.407°)

Monatliche Himmelsereignisse

23 Himmelereignisse insgesamt, einschließlich 4 Mondphasen und 2 Planetenereignisse.

Tägliche Himmelsereignisse

Alle Zeiten in Ortszeit (Asia/Shanghai)

Group Datum Sonnenaufgang/-untergang Mondaufgang/-untergang Mondphase Himmelsereignisse

Planetary outlook

July 1987 mid-month observing conditions

Mercury

Good
Scheinbare Helligkeit: 2.1
Sternbild: Cancer
Angular diameter: 10.1"
Status: near greatest eastern elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektaszension: 06h31m13s
Deklination: +18°51'53"

Venus

Excellent
Scheinbare Helligkeit: -3.9
Sternbild: Cancer
Angular diameter: 9.9"
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

Rektaszension: 06h48m55s
Deklination: +23°12'09"

Mars

Excellent
Scheinbare Helligkeit: 1.8
Sternbild: Leo
Angular diameter: 3.6"
Status: near western quadrature

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

Rektaszension: 08h31m49s
Deklination: +20°04'16"

Jupiter

Excellent
Scheinbare Helligkeit: -2.4
Sternbild: Aries
Angular diameter: 39.8"
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

Rektaszension: 01h44m45s
Deklination: +09°26'35"

Saturn

Excellent
Scheinbare Helligkeit: 0.2
Sternbild: Sagittarius
Angular diameter: 18.1"
Status: near western quadrature

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

Rektaszension: 16h57m43s
Deklination: -21°07'18"

Uranus

Fair
Scheinbare Helligkeit: 5.6
Sternbild: Sagittarius
Angular diameter: 3.8"
Status: near western quadrature

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

Rektaszension: 17h32m12s
Deklination: -23°26'44"

Neptune

Fair
Scheinbare Helligkeit: 7.8
Sternbild: Capricornus
Angular diameter: 2.3"
Status: near western quadrature

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

Rektaszension: 18h26m46s
Deklination: -22°15'03"

Moon

Excellent
Scheinbare Helligkeit: -12.7
Sternbild: Pisces
Angular diameter: 12637.2"
Status: Moon illumination 79.5%

Observation tip: Moon illumination 79.5%; good for observing lunar surface detail

Rektaszension: 23h10m56s
Deklination: -07°04'39"