April 1917 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

23 celkem nebeských úkazů, včetně 4 fáze Měsíce a 2 planetární jevy.

Denní nebeské úkazy

Všechny časy jsou v místním čase (Asia/Shanghai)

Group Datum Východ/západ Slunce Východ/západ Měsíce Fáze Měsíce Astronomické jevy

Planetary outlook

April 1917 mid-month observing conditions

Mercury

Excellent
Zdánlivá magnituda: -0.9
Souhvězdí: Taurus
Angular diameter: 6.1"
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

Rektascenze: 02h31m14s
Deklinace: +16°41'00"

Venus

Excellent
Zdánlivá magnituda: -3.9
Souhvězdí: Aries
Angular diameter: 9.7"
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

Rektascenze: 01h21m14s
Deklinace: +07°15'03"

Mars

Excellent
Zdánlivá magnituda: 1.2
Souhvězdí: Aries
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

Rektascenze: 00h55m54s
Deklinace: +05°12'30"

Jupiter

Excellent
Zdánlivá magnituda: -2.0
Souhvězdí: Taurus
Angular diameter: 33.2"
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

Rektascenze: 02h41m12s
Deklinace: +14°44'38"

Saturn

Excellent
Zdánlivá magnituda: 0.1
Souhvězdí: Cancer
Angular diameter: 18.4"
Status: near western quadrature

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

Rektascenze: 07h43m51s
Deklinace: +21°37'58"

Uranus

Fair
Zdánlivá magnituda: 5.9
Souhvězdí: Aquarius
Angular diameter: 3.4"
Status: near eastern quadrature

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

Rektascenze: 21h42m04s
Deklinace: -14°31'58"

Neptune

Fair
Zdánlivá magnituda: nan
Souhvězdí: Leo
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascenze: 08h17m12s
Deklinace: +19°29'43"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Capricornus
Angular diameter: 12549.2"
Status: Moon illumination 48.3%

Observation tip: Moon illumination 48.3%; good for observing lunar surface detail

Rektascenze: 19h53m19s
Deklinace: -19°48'17"