July 1917 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

24 astronominių įvykių iš viso, įskaitant 4 Mėnulio fazes ir 3 planetinius įvykius.

Dienos dangaus reiškiniai

Visi laikai nurodyti vietos laiku (Asia/Shanghai)

Group Data Saulėtekis/Saulėlydis Mėnulio patekėjimas/leidimasis Mėnulio fazė Dangaus reiškiniai

Planetary outlook

July 1917 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -1.9
Žvaigždynas: Cancer
Angular diameter: 5.0"
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

Rektascensija: 07h47m32s
Deklinacija: +22°49'49"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Leo
Angular diameter: 10.7"
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

Rektascensija: 09h04m47s
Deklinacija: +18°20'32"

Mars

Excellent
Regimasis ryškis: 1.5
Žvaigždynas: Gemini
Angular diameter: 4.1"
Status: near eastern quadrature

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

Rektascensija: 05h21m02s
Deklinacija: +23°23'54"

Jupiter

Excellent
Regimasis ryškis: -2.1
Žvaigždynas: Gemini
Angular diameter: 35.1"
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

Rektascensija: 04h04m34s
Deklinacija: +19°57'25"

Saturn

Excellent
Regimasis ryškis: 0.3
Žvaigždynas: Leo
Angular diameter: 16.5"
Status: near western quadrature

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

Rektascensija: 08h19m40s
Deklinacija: +20°00'34"

Uranus

Fair
Regimasis ryškis: 5.8
Žvaigždynas: Aquarius
Angular diameter: 3.7"
Status: near eastern quadrature

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

Rektascensija: 21h42m00s
Deklinacija: -14°35'43"

Neptune

Fair
Regimasis ryškis: 8.0
Žvaigždynas: Leo
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascensija: 08h25m36s
Deklinacija: +19°03'02"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Gemini
Angular diameter: 11930.5"
Status: Moon illumination 16.0%

Observation tip: Moon illumination 16.0%; good for observing lunar surface detail

Rektascensija: 04h09m26s
Deklinacija: +24°10'20"