Archive for February 9, 2022

02/09/2022 – Ephemeris – Let’s search for the naked-eye planets for this week

February 9, 2022 Comments off

This is Ephemeris for Wednesday, February 9th. Today the Sun will be up for 10 hours and 11 minutes, setting at 6:02, and it will rise tomorrow at 7:50. The Moon, 1 day past first quarter, will set at 3:37 tomorrow morning.

Let’s search for the naked-eye planets for this week. There is just one planet left in the evening sky now, and it’s going to leave us soon. Jupiter will be visible in the west-southwest around 6:30 pm. It will set at 7:35 pm. Saturn is too close to the Sun to be seen, It crossed behind the Sun last Friday, and has entered the morning sky, where we will lose it for a month or so. Speaking of the morning sky, Venus, our brilliant morning star, Mars and maybe even Mercury can be spotted low in the southeast by 7 o’clock. Mars will be below, right of Venus, while Mercury will be near the horizon left of Venus. Mercury is brighter than Mars, but lower in more intense twilight. Venus will rise at 5:23, with Mars following at 5:53, and Mercury rising last at 6:32.

The astronomical event times given are for the Traverse City/Interlochen area of Michigan (EST, UT – 5 hours). They may be different for your location.


Jupiter in evening twilight

Jupiter in evening twilight tonight at 6:30 pm or about a half hour after sunset, February 9, 2022. Created using Stellarium.

Binocular Moon

The waxing gibbous Moon as it might appear tonight in binoculars or small telescope. Created using Stellarium.

Venus, Mars, and Mercury in the morning

Venus, Mars, and Mercury at 7 am, or about 50 minutes before sunrise in the morning twilight. Created using Stellarium.

Telescopic views of Jupiter and Venus

Telescopic views of the Jupiter and its moons; and Venus (north up) as they would be seen in a small telescope, with the same magnification, overnight, February 9/10, 2022. As far as Jupiter is concerned, I’m not sure its moons will be visible in the twilight or close to the horizon. I do not show planets less than 10 seconds of arc in diameter. Apparent diameters: Jupiter, 33.34″ at 6:45 pm. Mars is not shown, its apparent diameter is 4.44″. Venus has an apparent diameter of 42.07″ and is 23.8% illuminated at 7 am. Mercury, is also not shown, it has an apparent diameter of 7.73″ and it’s 47.3% 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 February 9, 2022. The night ends on the left with sunrise on the 10th. Click on the image to enlarge it. Created using my LookingUp program.