September 1917 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

24 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

September 1917 mid-month observing conditions

Mercury

Good
Skenbar magnitud: 3.5
Stjärnbild: Virgo
Angular diameter: 10.4"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascension: 11h52m08s
Deklination: -03°23'00"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: Libra
Angular diameter: 13.7"
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: 13h44m14s
Deklination: -11°05'00"

Mars

Excellent
Skenbar magnitud: 1.5
Stjärnbild: Leo
Angular diameter: 4.6"
Status: near eastern quadrature

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

Rektascension: 08h16m15s
Deklination: +20°47'02"

Jupiter

Excellent
Skenbar magnitud: -2.4
Stjärnbild: Gemini
Angular diameter: 41.6"
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: 04h38m43s
Deklination: +21°14'23"

Saturn

Excellent
Skenbar magnitud: 0.4
Stjärnbild: Leo
Angular diameter: 16.9"
Status: near eastern quadrature

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

Rektascension: 08h51m09s
Deklination: +18°11'52"

Uranus

Fair
Skenbar magnitud: 5.8
Stjärnbild: Aquarius
Angular diameter: 3.7"
Status: near western quadrature

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

Rektascension: 21h32m56s
Deklination: -15°20'47"

Neptune

Fair
Skenbar magnitud: 7.9
Stjärnbild: Leo
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektascension: 08h34m25s
Deklination: +18°32'21"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Virgo
Angular diameter: 11449.3"
Status: Moon illumination 2.0%

Observation tip: Moon illumination 2.0%; good for observing lunar surface detail

Rektascension: 10h24m28s
Deklination: +05°23'18"