Header Image: Comet C/2022 E3 (ZTF) showing its green glow and three blue ion tails. Image Credit: Jose Francisco Hernández Editor’s Note: Updated to include information about hyperbolic orbits. Comet C/2022 E3 (ZTF), informally called the “Green Comet”, recently made its closest approach to the Sun, after having traveled tens of thousands of years from […]

Header Image: An illustration of the December 2021 Geminid meteor shower. Image Credit: NASA Editor’s Note: This blog has been updated to include information about Comet C/2022 E3 (ZTF) 2023 opens with Earth’s closest approach to the Sun and a potential showy meteor shower. These events and more are among the sky highlights of this […]

Header Image: Mars reappears on the right side of the moon after an occultation. Image credit: Sergio Scauso An occultation, a meteor shower, a solstice, a planet parade, and Mars’ brightest appearance of the year highlight this month, December 2022. Here’s your stargazing guide for spotting celestial events. Mars and The Moon – A Rare […]

Header Image: Total lunar eclipse on July 7, 2018. Here’s your stargazing guide for November 2022 to help you spot planets and celestial events—including a total lunar eclipse visible in Chicago! Time To Set Your Clocks Back Daylight Saving Time ends on November 6, at 2:00 am local time. This is the day to set […]

Header Image: Hubble Space Telescope portrait of Jupiter taken on June 27, 2019. Image Credit: NASA, ESA, A. Simon (Goddard Space Flight Center), and M.H. Wong (University of California, Berkeley) Jupiter and Saturn appear during evening twilight, Mars continues to get brighter, and Mercury just might be visible this month, October 2022. Here’s your stargazing […]

Header image: Adler Planetarium graphic depicting the fall celestial event, Chicagohenge. Astronomical summer ends and the season of fall starts this month, September 2022. Here’s your stargazing guide for spotting daytime and nighttime celestial events as the seasons change and the nights grow longer. See Autumn’s Chicagohenge  This month the Sun sets about 50 minutes […]

Header Image: Astrophotography image of the Pleiades star cluster taken by Nick Lake.  One of the best meteor showers of the year occurs this month, August 2022. Here’s your stargazing guide to help you see as many meteors as possible—and to keep looking up throughout the month. Spot The Annual Perseids Meteor Shower What makes […]

Header Image: Astrophotography picture of the Moon. Image Credit: Nick Lake Saturn, Jupiter, Mars, and Venus are gathering again during the dark hours of early mornings, and another supermoon occurs this month, July 2022. Here’s your stargazing guide to help you look up all throughout the month! When And Where To Spot These Five Planets […]

All of the planets visible to the naked eye — and some that aren’t visible —are in or near the same quadrant of the pre-dawn sky this month, June 2022. The first planet up is Saturn, which rises in the east-southeast shortly after midnight Central Daylight time through June 14, and shortly before midnight June […]

Header Image: Total lunar eclipse seen in Chicago.  Header Image Credit: Nick Lake  Eclipses don’t happen often. When they do, they come in pairs about two weeks apart. A partial solar eclipse on April 30 overshadows only a small portion of the Southern Hemisphere–but the eastern half of the U.S. gets the chance to see […]