January 1921 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

16 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

January 1921 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -1.3
Stjärnbild: Capricornus
Angular diameter: 4.7"
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: 19h41m26s
Deklination: -23°23'00"

Venus

Excellent
Skenbar magnitud: -4.3
Stjärnbild: Pisces
Angular diameter: 18.8"
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: 22h45m17s
Deklination: -09°01'41"

Mars

Excellent
Skenbar magnitud: 1.1
Stjärnbild: Pisces
Angular diameter: 4.8"
Status: near western quadrature

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

Rektascension: 22h38m10s
Deklination: -09°35'30"

Jupiter

Excellent
Skenbar magnitud: -2.3
Stjärnbild: Virgo
Angular diameter: 41.3"
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: 11h20m32s
Deklination: +05°39'13"

Saturn

Excellent
Skenbar magnitud: 0.8
Stjärnbild: Virgo
Angular diameter: 18.7"
Status: near eastern quadrature

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

Rektascension: 11h44m01s
Deklination: +04°07'25"

Uranus

Fair
Skenbar magnitud: 6.0
Stjärnbild: Pisces
Angular diameter: 3.4"
Status: near western quadrature

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

Rektascension: 22h22m28s
Deklination: -10°56'29"

Neptune

Fair
Skenbar magnitud: 7.8
Stjärnbild: Leo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascension: 09h01m23s
Deklination: +16°59'52"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Pisces
Angular diameter: 11764.6"
Status: Moon illumination 27.8%

Observation tip: Moon illumination 27.8%; good for observing lunar surface detail

Rektascension: 23h47m25s
Deklination: +01°44'56"