My first Magazine Sky & Telescope - 01.2019 | Page 4

CONTENTS THE ESSENTIAL GUIDE TO ASTRONOMY January 2019 VOL. 137, NO. 1 FEATURES 16 Space Missions in 2019 Cover Story: 18 The Great American Lunar Eclipse January’s “disappearing” Moon is wonderfully timed for skywatchers in the Americas. By Joe Rao Astronomers are watching dozens of cosmic timepieces for signs of space- time ripples passing through. 58 OBSERVING 41 January’s Sky at a Glance By Robert Naeye 28 Hot Products 2019 Binocular Highlight By Mathew Wedel 43 By the Editors of S&T 44 Planetary Almanac Astronomers are compiling a census of the nearest stars. By Keith Cooper 62 Suburban Stargazing: The Wintry North Cassiopeia and southwestern Camelopardalis are treasure-troves for bright-sky observers. By Tony Flanders 68 400 Thalers or 50 Pounds Who was the fi rst professional woman astronomer? By Gabriella Bernardi ON THE COVER 45 Under the Stars By Fred Schaaf 46 Sun, Moon & Planets By Fred Schaaf 48 Celestial Calendar By S. N. Johnson-Roehr 52 Exploring the Solar System By Sean Walker 54 Deep-Sky Wonders By Sue French 58 Going Deep By Howard Banich PHOTO: SE A N WA LK ER 2 Spectrum By Peter Tyson 6 From Our Readers 7 75, 50 & 25 Years Ago By Roger W. Sinnott 10 News Notes 14 Cosmic Relief By David Grinspoon 72 Astronomer’s Workbench By Jerry Oltion 74 Gallery 83 Event Calendar 84 Focal Point By Pat Plunkett Find us on Facebook & Twitter ONLINE ONLINE STORE Shop our online store for Moon and planet globes, calendars, sky atlases, and more, all made or cho- sen by the staff of Sky & Telescope. shopatsky.com This montage shows the September 2015 total lunar eclipse. 4 42 Lunar Almanac & Sky Chart Our 21st roundup highlights the market’s most intriguing new gear. 34 Meet the Neighbors COLUMNS / DEPARTMENTS ONLINE MARKETPLACE Browse personal used equipment from eyepieces to scopes and sell your own without paying a fee. marketplace. skyandtelescope.com EXPLORE THE NIGHT BLOG Follow Contributing Editor Bob King each week as he takes readers on a mesmerizing adventure through the sky. skyandtelescope.com/king SKY & TELESCOPE (ISSN 0037-6604) is published monthly by Sky & Telescope, a division of F+W Media, Inc., 90 Sherman St., Cambridge, MA 02140-3264, USA. Phone: 800-253- 0245 (customer service/subscriptions), 888-253-0230 (product orders), 617-864-7360 (all other calls). Fax: 617-864-6117. Website: skyandtelescope.com. © 2019 F+W Media, Inc. All rights reserved. Periodicals postage paid at Boston, Massachusetts, and at additional mailing offices. Canada Post Publications Mail sales agreement #40029823. Canadian return address: 2744 Edna St., Windsor, ON, Canada N8Y 1V2. Canadian GST Reg. #R128921855. POSTMASTER: Send address changes to Sky & Telescope, PO Box 420235, Palm Coast, FL 32142-0235. Printed in the USA. JA N UA RY 2 019 • SK Y & TELESCOPE 22 Pulsar Timing Arrays