July 1931 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

22 himlahändelser totalt, inklusive 4 månfaser och 2 planetära händelser.

Dagliga himlahändelser

Alla tider är i lokal tid (Asia/Shanghai)

Group Datum Soluppgång/Solnedgång Månuppgång/Månnedgång Månfas Himmelshändelser

Planetary outlook

July 1931 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -0.7
Stjärnbild: Leo
Angular diameter: 5.5"
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: 08h42m46s
Deklination: +19°58'35"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: Cancer
Angular diameter: 10.1"
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: 06h28m27s
Deklination: +23°15'51"

Mars

Excellent
Skenbar magnitud: 1.4
Stjärnbild: Virgo
Angular diameter: 4.9"
Status: near western quadrature

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

Rektascension: 11h21m57s
Deklination: +04°53'03"

Jupiter

Excellent
Skenbar magnitud: -1.8
Stjärnbild: Leo
Angular diameter: 31.5"
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: 08h06m56s
Deklination: +20°39'28"

Saturn

Excellent
Skenbar magnitud: 0.0
Stjärnbild: Capricornus
Angular diameter: 18.5"
Status: near western quadrature

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

Rektascension: 19h25m46s
Deklination: -21°50'11"

Uranus

Fair
Skenbar magnitud: 5.9
Stjärnbild: Aries
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rektascension: 01h12m21s
Deklination: +06°57'57"

Neptune

Fair
Skenbar magnitud: 8.0
Stjärnbild: Virgo
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascension: 10h24m25s
Deklination: +10°43'45"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Cancer
Angular diameter: 12474.2"
Status: Moon illumination 0.5%

Observation tip: Moon illumination 0.5%; good for observing lunar surface detail

Rektascension: 07h06m37s
Deklination: +27°35'34"