Big Dipper
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Venus is 10 degrees north of the first-magnitude star Aldebaran (Alpha Tauri) at 1:00 UT.
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Neptune is 6 degrees south of the Moon at 15:00 UT.
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The Curtiss Cross, an X-shaped illumination effect located between the craters Parry and Gambart, is predicted to begin at 4:19 UT; Mars is stationary at 12:00 UT; Saturn (magnitude 0.2, apparent size 19.1") is at opposition at 18:00 UT.
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Last Quarter Moon occurs at 10:50 UT.
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The Moon is 1.5 degrees south of the first-magnitude star Spica (Alpha Virginis) at 7:00 UT; Saturn is 6 degrees north of the Moon at 14:00 UT; the Moon is at perigee, subtending 32' from a distance of 358,314 kilometers (222,646 miles), at 17:00 UT.
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Warp Factor 55 Have you ever dreamed of travelling through space? Sir Patrick Moore takes us on an epic journey to the ends of our known universe, stopping en-route to take in the view. The team engage the warp drive and celebrate 55 years of The Sky at Night - at the speed of light. Click on link above for other broadcast times for this April edition of the programme.
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Full Moon, known as the Egg or Grass Moon, occurs at 19:19 UT.
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Mars is 9 degrees north of the Moon at 3:00 UT.
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Venus is 0.5 degree south of the bright open cluster M45 (the Pleiades) in Taurus at 14:00 UT.
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Summer begins today in the northern hemisphere of Mars; the Lunar X (also known as the Purbach or Werner Cross), an X-shaped illumination effect involving various rims and ridges between the craters La Caille, Blanchinus, and Purbach, is predicted to occur at 3:04 UT; a double Galilean satellite (Ganymede follows Io) transit begins at 3:26 UT; First Quarter Moon occurs at 19:41 UT.
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Venus is at greatest eastern elongation (46 degrees) at 8:00 UT.
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Jupiter is 3 degrees south of the Moon at 0:00 UT; the Moon is at apogee, subtending 29 arc minutes from a distance of 405,776 kilometers (252,138 miles), at 6:00 UT; Venus is 1.8 degrees north of the Moon at 18:00 UT.
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Uranus is in conjunction with the Sun at 24:18 UT.
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A double Galilean satellite transit (Io follows Ganymede) begins at 0:32 UT; a double Galilean satellite shadow transit (Ganymede’s shadow follows Io’s) begins at 2:36 UT.
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New Moon (lunation 1104) occurs at 14:37 UT.
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Mercury is at inferior conjunction at 19:00 UT.
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Vernal equinox occurs at 5:14 UT; Neptune is 6 degrees south of the Moon at 7:00 UT; asteroid 8 Flora (magnitude 9.6) is at opposition at 9:00 UT.
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The Curtiss Cross, an X-shaped illumination effect located between the craters Parry and Gambart, is predicted to occur at 15:29 UT.
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Last Quarter Moon occurs at 1:25 UT; Venus is 3 degrees north of Jupiter at 10:00 UT; a double Galilean satellite shadow transit (Io’s shadow follows Ganymede’s) begins at 23:27 UT. -
Saturn is 6 degrees north of the Moon at 7:00 UT; Mercury is stationary at 21:00 UT.
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The Moon is at perigee, subtending 33 arc minutes from a distance of 362,400 kilometers (225,185 miles), at 10:00 UT; the Moon is 1.5 degrees south of the first-magnitude star Spica (Alpha Virginis) at 21:00 UT.
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Mars is 10 degrees north of the Moon at 6:00 UT; Full Moon (known as the Crow, Lenten, and Sap Moon) occurs at 9:39 UT.
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Mercury is 3 degrees north of Uranus at 23:00 UT.
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Mercury is at its greatest eastern elongation (18 degrees) at 10:00 UT; Mars is closest to the Earth (0.6737 astronomical units or 100,780,000 kilometers) at 17:00 UT.
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Mars (magnitude -1.23, apparent size 13.89") is at opposition at 20:00 UT.