What’s Up Tonight?
- Moon, Antares, Saturn January 23-25Given clear skies, it should be easy to use the waning crescent moon to locate the star Antares and planet Saturn before dawn’s first light on January 23.
- Star-hop from Pegasus to Andromeda galaxyThe four stars of the Great Square of Pegasus are easy to find. Ready? Let's star-hop!
- Visualize the sun’s path through Milky WaySirius is easy to find. It's the sky's brightest star on the sky's dome. When you look at it, you're looking backwards along our solar system's path through the Milky Way galaxy.
- Moon, Jupiter, Spica January 18-20 before dawnThe moon is sweeping past Jupiter now, but - if you know where to look - you can find all 5 bright planets on these January 2017 nights. Charts and info here.
- See the Unicorn on dark January nightsWithin a triangle of 3 bright stars - hidden in between the many bright and glittering stars visible at this time of year - you'll find the constellation of Monoceros the Unicorn.
- Spot elusive Mercury before dawnOn January 19, 2017, Mercury will be at greatest elongation. That means it's now nearly at its farthest from the sun on our sky's dome for this morning apparition. Watch for it!
- Look for Cassiopeia and the Big DipperWatch the celestial clock and its two great big hour hands - Cassiopeia and the Big Dipper - as they swing around the North Star every night!
- Sirius, future South Pole StarThe sky's brightest star, Sirius aka the Dog Star, will come to within 1.6 degrees of the south celestial pole in the year 66270.
- Moon and Regulus on January 14Regulus is Leo the Lion's brightest star, sometimes called the Lion's Heart. See it near the moon on January 14. From some places, the moon will pass in front of Regulus!
- New Year’s Eve, in the Julian calendarHappy Julian New Year! January 13, 2017 marks the last day of a year in the old-style Julian calendar. Why, and what happened when our ancestors made this monumental calendar switch.
What’s Up This Month?
Several times a year meteor showers light up the sky. Find out everything you need to know about these celestial fireworks, including the yearly dates of important meteor showers, and when and where to view them from, in this handy guide.
Discover the 88 Star Constellations
Discover the 88 Star Constellations of the Nightsky, the pictures in the sky. Learn about the stars and other amazing objects that can be found within the 88 known constellations we can see from Earth.
- Constellations by Alphabetic Listing, by Season and by Month
- The 88 Star Constellations of the Nightsky
NASA collection of sound effects from both this world and deep intergalactic space, available for all of us to enjoy