July 1981 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

23 himlahändelser totalt, inklusive 5 månfaser och 1 planetära händelser.

Dagliga himlahändelser

Alla tider är i lokal tid (Asia/Shanghai)

Group Datum Soluppgång/Solnedgång Månuppgång/Månnedgång Månfas Himmelshändelser

Planetary outlook

July 1981 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: 0.3
Stjärnbild: Cancer
Angular diameter: 7.8"
Status: near inferior conjunction

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

Rektascension: 06h07m55s
Deklination: +20°49'54"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: Leo
Angular diameter: 11.3"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Rektascension: 09h25m27s
Deklination: +16°51'29"

Mars

Excellent
Skenbar magnitud: 1.6
Stjärnbild: Gemini
Angular diameter: 3.9"
Status: near eastern quadrature

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

Rektascension: 05h50m00s
Deklination: +23°51'56"

Jupiter

Excellent
Skenbar magnitud: -1.9
Stjärnbild: Libra
Angular diameter: 34.6"
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: 12h15m31s
Deklination: -00°19'18"

Saturn

Excellent
Skenbar magnitud: 0.9
Stjärnbild: Libra
Angular diameter: 16.9"
Status: near western quadrature

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

Rektascension: 12h19m30s
Deklination: +00°27'04"

Uranus

Fair
Skenbar magnitud: 5.5
Stjärnbild: Scorpius
Angular diameter: 3.9"
Status: near western quadrature

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

Rektascension: 15h35m51s
Deklination: -19°06'21"

Neptune

Fair
Skenbar magnitud: 7.8
Stjärnbild: Sagittarius
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascension: 17h28m34s
Deklination: -21°53'12"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Sagittarius
Angular diameter: 11642.3"
Status: Moon illumination 95.2%

Observation tip: Moon illumination 95.2%; good for observing lunar surface detail

Rektascension: 17h48m27s
Deklination: -20°25'44"