June 29 and 30 evenings: Moon near Antares and Scorpius
Visible planets (evening, June 2023, in text)
Venus, the brightest planet, will dazzle in the western sky after sunset and will reach greatest elongation – 45 degrees – from the sun on June 4th. Enjoy Venus while you can, because it’ll be ending its dominance of the evening sky in late July. Mars continues to fade in brightness (and size) in the western evening sky because we are racing away from it in our orbit around the sun. Yet, it’s still one of the brightest “stars” in the evening sky. Don’t miss Mars buzzing through the Beehive star cluster on June 1 and 2. Use binoculars to see a ruby among a sprinkling of diamond-like stars as it crosses in front of the Beehive star cluster. Of course, it’ll be stunning in a telescope. Then, Venus buzzes by the Beehive on the evenings of June 12 and 13. You’ll definitely need to use binoculars for this pairing, because Venus is so much brighter than even the brightest of the stars in the Beehive. Later in June, the moon will sweep past these two inner planets on the 21st and 22nd. Also this month, keep an eye on Venus as it catches up with Mars as the month goes by. On June 1st, Venus and Mars will be about 10 degrees apart, and they’ll be less than four degrees apart (the with of 8 full moons) at the end of the month. They won’t be close enough to be called a conjunction, but it’ll be fun to watch them as the month passes. Venus and Mars will set around midnight (your local time) at the beginning of June and around 11 p.m. at month’s end.
Visible planets (morning, June 2023, in text)
Jupiter will be the brightest point in the morning sky and will be near the moon on June 14. Observing the giant planet will be easier at the end of the month, when Jupiter is about 30 degrees above the eastern horizon as twilight ends. Jupiter will rise about 4 a.m. your local time on June 1. And then it’ll rise about 2 a.m. at the end of June. Mercury will be coming off its recent morning greatest elongation and will continue to brighten through mid-month. However, it’s best viewed from the Southern Hemisphere since it remains low on the horizon for northern viewers. Start looking for it about 30-40 minutes before sunrise. Also, you might find it very low on the horizon near a thin crescent moon on June 16. It’ll disappear from the morning sky later in June on its way to superior conjunction with the sun on July 1. Saturn will rise about 1:30 a.m. your local time in early June and rise before midnight at month’s end. So, it’ll be high in the morning sky. Watch for the moon to visit Saturn on June 9 and 10. Saturn will reach opposition in August and is already a good target for a telescope.
Sky dome maps for visible planets and night sky
The sky dome maps come from master astronomy chart-maker Guy Ottewell. You’ll find charts like these for every month of 2023 in his Astronomical Calendar. Guy explains:
The sky dome map for each month shows what is above the horizon at a convenient (your local) evening time for latitude 40 degrees north. If you travel north, stars at the south edge of the map disappear; at the north edge others spend more time above the horizon.
You can see the relation between the map and sky by holding the map over your face. The central point of the map is the overhead point, or zenith. Orient the map so the direction you are facing (east, west, north or south) is at the bottom.
Stars are shown down to magnitude 5.5, so you might require a dark sky to see some of the dimmer stars shown or the Milky Way. Also, the map only shows the more conspicuous constellations.
Planets are shown on the 16th of the month in the mid-evening sky, with symbols sized for brightness like the stars. All planets are visible to the unaided eye except Neptune. Furthermore, planets in the sky after midnight and in the twilight sky near sunset or sunrise will not appear on the sky dome maps.
The moon is shown (exaggerated eight times in size) at 0 UTC on the days when it is at first quarter and full phases. This is 7 p.m EST on the previous day. It is also in its geocentric position, that is, without parallax; as seen from northern latitudes, it is slightly farther south.
Major meteor showers are indicated by bursts of lines pointing out from their radiant. But some are not shown, because their radiants are not in view at map time.
The ecliptic is drawn as a thick curve. It marks the plane in which the Earth revolves around the sun.
The celestial equator curves from the east point to the west point of each map. At declination 0, it is the only line of declination shown. Ticks along it are at the 24 hours of right ascension.
In these views from ecliptic north, arrows (thinner when south of the ecliptic plane) are the paths of the four inner planets. Dots along the rest of the orbits are five days apart (and are black for the part of its course that a planet has trodden since the beginning of the year). Also, semicircles show the sunlit side of the new and full moon (vastly exaggerated in size and distance). Additionally, pairs of lines point outward to the more remote planets.
Phenomena such as perihelia (represented by ticks) and conjunctions (represented by lines between planets) are at dates that can be found in the Astronomical Calendar. Likewise, gray covers the half of the universe below the horizon around 10 p.m. at mid-month (as seen from the equator). The zodiacal constellations are in directions from the Earth at mid-month (not from the sun).
Bottom line: Visible planets in June: Venus and Mars are in the evening sky. Jupiter, Saturn and Mercury are in the morning sky. And there will be a lovely gathering of the moon, 2 planets and bright stars on the June solstice.
Marcy Curran has enjoyed star gazing since she was a young girl going on family camping trips under the dark skies of Wyoming. She bought her first telescope in time to see Halley’s comet in 1985 on its way in to another close encounter with the sun. Her passion for astronomy eventually led her to being a co-founder of a local astronomical society. Marcy remains active in her astronomy club including being the editor of a monthly newsletter. She also contributes a monthly article to her local newspaper focusing on the stars, planets and objects currently visible in the nighttime sky. Marcy taught astronomy at her local community college for over 20 years. Marcy retired in December 2021 and is delighted to join Earthsky.org as an editor of night sky articles. Her hobbies - other than star gazing - include reading, knitting, jigsaw puzzles and photography. Marcy and her husband live in Wyoming.
“I can sometimes see the moon in the daytime” was a cosmic revelation that John Jardine Goss first discovered through personal observations when he was 6 years old. It shook his young concept of the universe and launched his interest in astronomy and stargazing, a fascination he still holds today. John is past president of the Astronomical League, the largest U.S. federation of astronomical societies, with over 20,000 members. He's earned the title of Master Observer and has authored the celestial observing guides Exploring the Starry Realm and Carpe Lunam. John also writes a monthly stargazing column, Roanoke Skies, for the Roanoke Times, and a bimonthly column, Skywatch, for Blue Ridge Country magazine. He has contributed to Sky and Telescope magazine, the IDA Nightscape, the Astronomical League’s Reflector magazine, and the RASC Observer’s Handbook.
Deborah Byrd created the EarthSky radio series in 1991 and founded EarthSky.org in 1994. Today, she serves as Editor-in-Chief of this website. She has won a galaxy of awards from the broadcasting and science communities, including having an asteroid named 3505 Byrd in her honor. A science communicator and educator since 1976, Byrd believes in science as a force for good in the world and a vital tool for the 21st century. "Being an EarthSky editor is like hosting a big global party for cool nature-lovers," she says.
Kelly Kizer Whitt has been a science writer specializing in astronomy for more than two decades. She began her career at Astronomy Magazine, and she has made regular contributions to AstronomyToday and the Sierra Club, among other outlets. Her children’s picture book, Solar System Forecast, was published in 2012. She has also written a young adult dystopian novel titled A Different Sky. When she is not reading or writing about astronomy and staring up at the stars, she enjoys traveling to the national parks, creating crossword puzzles, running, tennis, and paddleboarding. Kelly lives with her family in Wisconsin.
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