April 1999 Nebeske pojave

Lokacija opazovalca:Beijing (39.904°, 116.407°)

Pregled mesečnih nebesnih dogodkov

23 astronomskih dogodkov skupaj, vključno 4 lunine faze in 4 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

April 1999 mid-month observing conditions

Mercury

Excellent
Navidezna magnituda: 0.5
Ozvezdje: Pisces
Angular diameter: 8.0"
Status: near greatest eastern elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascenzija: 23h52m50s
Deklinacija: -03°02'39"

Venus

Excellent
Navidezna magnituda: -4.0
Ozvezdje: Gemini
Angular diameter: 14.5"
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: 04h01m58s
Deklinacija: +22°14'09"

Mars

Excellent
Navidezna magnituda: -1.5
Ozvezdje: Scorpius
Angular diameter: 15.5"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Rektascenzija: 14h22m59s
Deklinacija: -12°26'27"

Jupiter

Excellent
Navidezna magnituda: -2.1
Ozvezdje: Aries
Angular diameter: 33.2"
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: 00h54m40s
Deklinacija: +04°40'12"

Saturn

Excellent
Navidezna magnituda: 0.4
Ozvezdje: Taurus
Angular diameter: 16.3"
Status: near western quadrature

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

Rektascenzija: 02h14m29s
Deklinacija: +11°10'34"

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: 21h15m35s
Deklinacija: -16°35'35"

Neptune

Fair
Navidezna magnituda: 7.8
Ozvezdje: Aquarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascenzija: 20h25m58s
Deklinacija: -18°55'04"

Moon

Excellent
Navidezna magnituda: -12.7
Ozvezdje: Aries
Angular diameter: 12805.5"
Status: Moon illumination 2.2%

Observation tip: Moon illumination 2.2%; good for observing lunar surface detail

Rektascenzija: 00h35m38s
Deklinacija: -00°15'12"