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04/27/2022 – Ephemeris – Let’s search for the naked-eye planets for this week

April 27, 2022

This is Bob Moler with Ephemeris for Wednesday, April 27th. Today the Sun will be up for 14 hours and 4 minutes, setting at 8:42, and it will rise tomorrow at 6:37. The Moon, 3 days before new, will rise at 5:56 tomorrow morning.

Let’s search for the naked-eye planets for this week. There is one bright planet in the evening sky. Mercury may be spotted around and after 9:30 this evening very low in the west-northwest and be visible for the next hour or so before it sets at 10:43 pm. After that, the planet action shifts to the morning sky. The other 4 naked-eye planets are there. By 5:45 am, the planets will be spread out low from the east to southeast with brilliant Venus closer than ever to Jupiter, lowest in the east. Dim Mars will be to the right and a bit above Venus, while brighter Saturn will be right and above Mars. Saturn will rise tomorrow at 4 am, with Mars following at 4:40. Venus will rise at 5:10 tomorrow morning, followed by Jupiter four minutes later.

The astronomical event times given are for the Traverse City/Interlochen area of Michigan (EDT, UT – 4 hours). They may be different for your location.


Mercury and bright winter stars in evening twilight

Mercury and bright winter stars in evening twilight at 9:30 tonight, or about 45 minutes after sunset tonight, April 27, 2022. It might take binoculars to spot the stars of Orion and Taurus, and Mercury itself, which is fading, becoming a crescent. Click on the image to enlarge it. Created using Stellarium.

The morning planet parade

The morning planet parade at 5:45 am or about 50 minutes before sunrise tomorrow, April 28, 2022. Venus will overtake Jupiter during the day, Saturday the 30th. Created using Stellarium.

Jupiter and Venus in binoculars

Jupiter and Venus in as they might be seen in binoculars, Saturday morning, April 30, 2022. The difference in brightness of Venus compared to Jupiter will be much greater than seen here. The planets will be about a half a degree apart, or about the width of the Moon. The image shows two satellites of Jupiter, Ganymede to the lower left of Jupiter and Callisto to the upper right. A third satellite, Io, is close to the upper right, within the enlarged Jupiter image. Europa is either behind the planet or in its shadow. Sunday morning, Jupiter will be on the other side of Venus, and a bit farther away. Created using Stellarium.

Telescopic views of Venus, Saturn and Jupiter

Views of Venus, Jupiter, and Saturn (north up) as they would be seen in a small telescope, with the same magnification, tomorrow morning at 5:45 am, April 28, 2022. I do not show planets less than 10 seconds of arc in diameter. Apparent diameters: Venus 16.78″, 67.4% illuminated; Saturn 16.47″, its rings 38.35″; Jupiter 34.76″. Mars is not shown, its apparent diameter is 5.74″ and is 89.5% illuminated. Mercury, in the evening, has an apparent diameter of 8.05″, and it’s 35.6% illuminated. The ” symbol means seconds of arc (1/3600th of a degree.) Created using Cartes du Ciel (Sky Charts).

Planets and the Moon on a single night

The naked-eye planets and the Moon at sunset and sunrise on a single night, starting with sunset on the right on April 27, 2022. The night ends on the left with sunrise on the 28th. Notice that all the naked-eye planets except Mercury are in the morning sky now. Click on the image to enlarge it. Created using my LookingUp program.

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