February 1991 Himmelsereignisse

Beobachterstandort:Beijing (39.904°, 116.407°)

Monatliche Himmelsereignisse

20 Himmelereignisse insgesamt, einschließlich 3 Mondphasen und 0 Planetenereignisse.

Tägliche Himmelsereignisse

Alle Zeiten in Ortszeit (Asia/Shanghai)

Group Datum Sonnenaufgang/-untergang Mondaufgang/-untergang Mondphase Himmelsereignisse

Planetary outlook

February 1991 mid-month observing conditions

Mercury

Excellent
Scheinbare Helligkeit: -0.7
Sternbild: Aquarius
Angular diameter: 4.9"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektaszension: 21h09m48s
Deklination: -18°25'35"

Venus

Excellent
Scheinbare Helligkeit: -3.9
Sternbild: Pisces
Angular diameter: 11.2"
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

Rektaszension: 23h28m30s
Deklination: -04°47'12"

Mars

Excellent
Scheinbare Helligkeit: 0.2
Sternbild: Gemini
Angular diameter: 8.7"
Status: near western quadrature

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

Rektaszension: 04h22m27s
Deklination: +23°51'02"

Jupiter

Excellent
Scheinbare Helligkeit: -2.6
Sternbild: Leo
Angular diameter: 45.3"
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

Rektaszension: 08h35m57s
Deklination: +19°26'01"

Saturn

Excellent
Scheinbare Helligkeit: 0.7
Sternbild: Aquarius
Angular diameter: 15.3"
Status: near eastern quadrature

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

Rektaszension: 20h12m47s
Deklination: -20°08'43"

Uranus

Fair
Scheinbare Helligkeit: 5.8
Sternbild: Capricornus
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rektaszension: 18h53m19s
Deklination: -23°12'24"

Neptune

Fair
Scheinbare Helligkeit: 7.9
Sternbild: Capricornus
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektaszension: 19h07m50s
Deklination: -21°43'52"

Moon

Excellent
Scheinbare Helligkeit: -12.7
Sternbild: Pisces
Angular diameter: 11889.4"
Status: Moon illumination 0.1%

Observation tip: Moon illumination 0.1%; good for observing lunar surface detail

Rektaszension: 22h00m31s
Deklination: -09°18'38"