Contributing Editor Ted Forte offers a look at Hickson Compact Groups in the November 2017 issue of Sky & Telescope. In 1982, Canadian astronomer Paul Hickson published a list of 100 compact galaxy groups based on his examination of the Palomar Observatory Sky Survey (POSS) red plates. A compact group, as defined by Hickson, is…
Sky & Telescope Contributing Editor Ken Hewitt gives us a guided tour through Abell 194, a visually rich galaxy cluster in Cetus.
We've gathered some of the best pictures of past solar eclipses, total and partial, from our online photo gallery to serve as inspiration for your eclipse photography
Wondering what you'll see during the total solar eclipse on August 21st? Use our all-sky maps to figure it out! If you’ve never seen a total solar eclipse before, you might be wondering what to expect before and after the moment of totality. We’ve already published a detailed timeline to help you prepare for the…
After a slog through this spring's wet and cloudy weather, it was a relief to hit the clear skies of summer. Most of my observing happens from my backyard, of course, but I always have one eye on my calendar, counting down the days to when I can start packing for my first summer star party.…
Sky & Telescope's Observing Editor offers a few suggestions to help you set up your first (for fifth!) observing notebook. Feeling inspired after reading Contributing Editor Bob King’s article on observing notebooks in the September 2017 issue of Sky & Telescope but need help starting a notebook? Here are a few different ways to approach…
No matter what you call it, Messier 17 is one deep-sky object to which you'll find yourself returning throughout your observing life. In our September 2017 issue, Contributing Editor Howard Banich examined the science and history of Messier 17, an H II region in Sagittarius also known as the Swan Nebula, Omega Nebula, Checkmark Nebula,…
Contributing Editor Matt Wedel offers more double and multiple stars to look for in and around the head of the constellation Draco, the Dragon.
If you're looking for an observing challenge, George Abell's complete catalog of planetary nebulae has you covered. I observed my first planetary nebula by accident. I was moving the optical tube of my new telescope up and down, back and forth, nearing epic levels of frustration as I hunted for anything that didn't look like…
Our editors have just returned from the Northeast Astronomy Forum (NEAF), the world's largest astronomy and space tradeshow.
The International Astronomical Union has named an asteroid for Fred Schaaf, longtime Sky & Telescope contributing editor.
Observing Editor JR Johnson-Roehr recently joined a group of astro-tourists in Iceland for the 2016 Sky & Telescope northern lights tour
Looking for a new deep-sky challenge? Turn your scope toward ACO 426, the Perseus Galaxy Cluster.
On Friday, October 28th, the waning crescent Moon and brilliant Jupiter get together for an early morning conjunction.
The annular solar eclipse visible over south-central African and parts of the Indian Ocean was a dazzling crowd pleaser!
Join Sky & Telescope Observing Editor JR Johnson-Roehr in Iceland and see the aurora borealis.
Looking for an observing challenge? An expert observer offers advice for exploring the Minkowski catalog of planetary nebulae.
To aid your observing endeavor, Contributing Editor Steve Gottlieb has provided an expanded table of galaxies, with their position angles, visual magnitudes, size, and positions.
Join your local amateur astronomy community in celebrating Spring Astronomy Day on May 14, 2016.
Join Sky & Telescope Observing Editor JR Johnson-Roehr for our fourth annual trip to Iceland to see the northern lights.
Here's some further reading on the stages of star formation visible in the Trifid Nebula, subject of the May 2016 issue's Going Deep column.
How many details can you see when you take a look at galaxies M81 and M82? On October 13, 2015, Contributing Editor Howard Banich experienced a spectacular morning of observing at Steens Mountain in southeastern Oregon. With fantastic transparency and increasingly good seeing, he was able to view M82 as he'd never seen it before.…
On a single night at a remote site, Contributing Editor Steve Gottlieb observed 35 circumpolar galaxies. Here we're providing a complete list of those 35 galaxies,
Take advantage of early evenings and dark winter skies — turn your scope southward to view some of the most massive objects in the universe.
Look to your local astronomy club for a day and night of observing activities for Fall Astronomy Day and International Observe the Moon Night.