January 1999 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

20 himlahändelser totalt, inklusive 4 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 1999 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -0.5
Stjärnbild: Capricornus
Angular diameter: 4.9"
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: 18h52m09s
Deklination: -23°57'46"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: Aquarius
Angular diameter: 10.5"
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: 21h03m21s
Deklination: -18°24'34"

Mars

Excellent
Skenbar magnitud: 0.8
Stjärnbild: Libra
Angular diameter: 6.9"
Status: near eastern quadrature

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

Rektascension: 13h35m43s
Deklination: -07°50'26"

Jupiter

Excellent
Skenbar magnitud: -2.2
Stjärnbild: Pisces
Angular diameter: 36.7"
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: 23h40m36s
Deklination: -03°23'57"

Saturn

Excellent
Skenbar magnitud: 0.4
Stjärnbild: Aries
Angular diameter: 18.1"
Status: near western quadrature

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

Rektascension: 01h43m52s
Deklination: +08°05'44"

Uranus

Fair
Skenbar magnitud: 5.9
Stjärnbild: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

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

Rektascension: 20h57m26s
Deklination: -17°52'32"

Neptune

Fair
Skenbar magnitud: 7.9
Stjärnbild: Aquarius
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascension: 20h14m59s
Deklination: -19°31'04"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Sagittarius
Angular diameter: 11682.6"
Status: Moon illumination 7.2%

Observation tip: Moon illumination 7.2%; good for observing lunar surface detail

Rektascension: 17h32m54s
Deklination: -18°49'32"