Lunar Craters Theophilus, Cyrillus, and Catharina (evening)
On Thursday evening, April 3, the terminator boundary that separtes the moon’s lit and dark hemispheres will fall just to the left of a trio of large craters named Theophilus,…
5 events found.
Monthly Night Sky information provided by Chris Vaughan (@Astrogeoguy) at Starry Night Education (@StarryNightEdu).
Astronomical Events
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First Quarter Moon Approaches Mars (overnight)
On Friday night, April 4 in the western evening sky, the half-full moon will shine a fist’s diameter below (or 10 degrees to the celestial west of) the red planet…
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The Winter Triangle (evening)
The lower part of the southwestern sky on early April evenings is dominated by the three bright stars of the Winter Triangle. The prominent asterism, which is visible even while…
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The Aristarchus Plateau (all night)
Three prominent craters break up the expanse of Oceanus Procellarum, the widespread dark region on the moon’s left-hand side. Large Copernicus is the easternmost of the craters. Its extensive, ragged…
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Venus Gleams above Mercury and Saturn (before sunrise)
During the early part of April, the planets Venus, Mercury, Neptune, and Saturn will all be gathered above the eastern horizon before sunrise. Neptune is far too faint to compete…
