May 1917 Nebeske pojave

Lokacija opazovalca:Beijing (39.904°, 116.407°)

Pregled mesečnih nebesnih dogodkov

22 astronomskih dogodkov skupaj, vključno 4 lunine faze in 2 planetarni dogodki.

Dnevni nebesni dogodki

Vsi časi so v lokalnem času (Asia/Shanghai)

Group Datum Sončni vzhod/zahod Lunin vzhod/zahod Lunina faza Nebeske pojave

Planetary outlook

May 1917 mid-month observing conditions

Mercury

Fair
Navidezna magnituda: 6.4
Ozvezdje: Taurus
Angular diameter: 12.1"
Status: near superior conjunction

Observation tip: A telescope is required; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascenzija: 03h36m40s
Deklinacija: +19°05'32"

Venus

Excellent
Navidezna magnituda: -3.9
Ozvezdje: Taurus
Angular diameter: 9.7"
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

Rektascenzija: 03h45m18s
Deklinacija: +19°35'00"

Mars

Excellent
Navidezna magnituda: 1.3
Ozvezdje: Taurus
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

Rektascenzija: 02h21m13s
Deklinacija: +13°37'11"

Jupiter

Excellent
Navidezna magnituda: -2.0
Ozvezdje: Taurus
Angular diameter: 32.8"
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

Rektascenzija: 03h09m22s
Deklinacija: +16°49'00"

Saturn

Excellent
Navidezna magnituda: 0.2
Ozvezdje: Cancer
Angular diameter: 17.5"
Status: near western quadrature

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

Rektascenzija: 07h51m29s
Deklinacija: +21°20'14"

Uranus

Fair
Navidezna magnituda: 5.9
Ozvezdje: Aquarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rektascenzija: 21h44m49s
Deklinacija: -14°19'13"

Neptune

Fair
Navidezna magnituda: 7.9
Ozvezdje: Leo
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascenzija: 08h18m21s
Deklinacija: +19°26'29"

Moon

Excellent
Navidezna magnituda: -12.7
Ozvezdje: Pisces
Angular diameter: 12569.6"
Status: Moon illumination 39.6%

Observation tip: Moon illumination 39.6%; good for observing lunar surface detail

Rektascenzija: 22h24m14s
Deklinacija: -05°31'08"