December 1968 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

23 astronominių įvykių iš viso, įskaitant 4 Mėnulio fazes ir 1 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

December 1968 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -1.0
Žvaigždynas: Sagittarius
Angular diameter: 4.7"
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: 17h48m53s
Deklinacija: -25°07'05"

Venus

Excellent
Regimasis ryškis: -4.1
Žvaigždynas: Aquarius
Angular diameter: 16.7"
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: 20h35m41s
Deklinacija: -20°54'44"

Mars

Excellent
Regimasis ryškis: 1.5
Žvaigždynas: Libra
Angular diameter: 5.0"
Status: near eastern quadrature

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

Rektascensija: 13h21m06s
Deklinacija: -07°02'01"

Jupiter

Excellent
Regimasis ryškis: -1.9
Žvaigždynas: Libra
Angular diameter: 35.6"
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

Rektascensija: 12h16m43s
Deklinacija: -00°28'13"

Saturn

Excellent
Regimasis ryškis: 0.4
Žvaigždynas: Aries
Angular diameter: 18.8"
Status: near western quadrature

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

Rektascensija: 01h13m07s
Deklinacija: +04°55'02"

Uranus

Fair
Regimasis ryškis: 5.5
Žvaigždynas: Libra
Angular diameter: 3.8"
Status: near eastern quadrature

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

Rektascensija: 12h14m51s
Deklinacija: -00°48'37"

Neptune

Fair
Regimasis ryškis: 8.0
Žvaigždynas: Scorpius
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektascensija: 15h41m22s
Deklinacija: -17°55'29"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Libra
Angular diameter: 12457.7"
Status: Moon illumination 29.5%

Observation tip: Moon illumination 29.5%; good for observing lunar surface detail

Rektascensija: 13h02m40s
Deklinacija: -07°44'03"