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The moon of the last quarter stage of the month of Shawwal 1441 shines after midnight today, Friday 12 June, and is observed high in the dome of the sky that tilts towards the southern horizon coinciding with the beginning of the dawn of Saturday with the blue sky background.
This is followed by the arrival of the moon at the time of the last quarter at 08:30 Cairo time (06:23 GMT), thus cutting three quarters of its orbit around the Earth during the month, and it will remain visible until it sets at noon according to local time.
The moon is known to revolve around the earth once every four weeks, and the result is a cycle of its phases from the conjunction, the crescent of the beginning of the month, the first square, through the crescent hunchback, then the full moon, then the decreasing hump, then the last quarter and the end of the growing month, and returns to the conjunction again every 29.5 days, and this The movement also means that the moon is moving rapidly across the sky From one night to the next night , the moon crosses 13 degrees in the dome of the sky, and this causes the moon to rise and set about an hour late each day.
The last period of quadrature, in which half of the moon and the other half appear dark, is the ideal time to observe the topography of the lunar surface with binoculars or a small telescope because the mountains, craters, etc. They are very sharp, especially along the line that separates the light from the dark side due to the interference of light and shadow, which gives a three-dimensional view. An ideal opportunity for monitoring and photography.
According to the Astronomical Society of Jeddah, in the next few days, the distance between the moon and the sun in the dome of the sky will reduce until the moon becomes in the waxing phase at the end of the month and will be observed just before dawn in preparation for the its occurrence in the conjunction of the month of Dhu al-Qi’dah in conjunction with the solar eclipse. Arabs.
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