1–20 of 191 results

Beyond the Printed Page

Sky & Telescope Errata 2020

The editors of Sky & Telescope make every effort to provide accurate information, but errors do sometimes slip through. We correct all mistakes online as well as printing corrections in the magazine. So if you see something questionable in the magazine, check below to see if it's a known problem.…

Study in contrasts

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King Clusters: Table of Cluster Data

Here you'll find a table of cluster parameters to accompany Al Lamperti's and Frank Colosimo's article on observing the King Clusters that appeared on page 60 in the November 2019 issue.

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Nebulae in Perseus: Target Coordinates

If you're looking for the coordinates and other data on the targets covered in October's Bright & Dark Clouds in Perseus you've come to the right place.

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Billion-Light-Year Club: Further targets for Going Deep May 2019

Did you enjoy chasing down targets billions of light-years away after reading Going Deep in the May issue? Here are more targets for your enjoyment.

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Deep-Sky Wonders: The Jewels of Spring

The colors of stars are often compared to those of precious gemstones, with the coolest stars as our rubies and the hottest as sapphires. But how red or blue do they really look? In the May 2019 issue, Sky & Telescope Contributing Editor Sue French offers a look at some…

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Galactic Cirrus: Shimmering Clouds

Galactic cirrus (clouds of interstellar dust) is challenging to observe, but Mel Bartels shows us how in the April 2019 issue of the magazine.

Beyond the Printed Page

Sky & Telescope Errata 2019

The editors of Sky & Telescope make every effort to provide accurate information, but errors do sometimes slip through. We correct all mistakes online as well as printing corrections in the magazine. So if you see something questionable in the magazine, check below to see if it's a known problem.…

Beyond the Printed Page

Extragalactic Globular Clusters

Look here for all you need to know to go above and beyond (our galaxy) to find some extraordinary extragalactic globular clusters! Off to hunt extragalactic globular clusters? Below you'll find an abundance of resources compiled by Contributing Editor Steve Gottlieb to help you plan and execute your observing sessions.…

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Celestron at NEAF 2018

Renowned astronomer and Sky & Telescope contributor Dennis di Cicco visited with Celestron at NEAF 2018.

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Finger Lakes Instrumentation at NEAF 2018

Renowned astronomer and Sky & Telescope contributor Dennis di Cicco visited with Finger Lakes Instrumentation at NEAF 2018

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Sky-Watcher USA at NEAF 2018

Renowned astronomer and Sky & Telescope contributor Dennis di Cicco visited with Sky-Watcher USA at NEAF 2018.

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From CHASING NEW HORIZONS: Out of Lock

Enjoy this excerpt from CHASING NEW HORIZONS: Inside the Epic First Mission to Pluto, by Alan Stern and David Grinspoon. Stay tuned for a full review in our December 2018 issue.

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Going Deep March 2018: AGN Finder Charts

Explore distant supermassive black holes with these finder charts for "Ancient Photons from AGN" by Al Lamperti, which appeared in the March 2018 issue of Sky & Telescope.

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Sky & Telescope Errata 2018

Despite every effort to make every issue error free, mistakes occasionally make their way into print. Here's a list of known ones for 2018.

Thames, southern England, and France

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Balloon Astronomy: From Launch to Landing

Balloon astronomy is really taking off, writes Laura Fissel (NRAO) in the February 2018 issue of Sky & Telescope. She should know — as a member of the adventure-prone Balloon-borne Large Aperture Submillimeter Telescope (BLAST) team, she has been involved in multiple balloon telescope launches, part of her effort to…

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Sketching the Orion Nebula

Learn how to sketch the Orion Nebula at the telescope from Sky & Telescope Contributing Editor Howard Banich's experience.

Python Data Science Handbook

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Teach Yourself Machine Learning

Curious about machine learning? Learn about the inner workings of machine-learning algorithms without writing a line of code.

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Hickson Compact Groups

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,…

Abell 194 Galaxy Cluster

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Abell 194

Sky & Telescope Contributing Editor Ken Hewitt gives us a guided tour through Abell 194, a visually rich galaxy cluster in Cetus.

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Observing Notebooks

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…

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