Sky & Telescope - November 2022 - 2

CONTENTS
November 2022
THE ESSENTIAL GUIDE TO ASTRONOMY
FEATURES
Cover Story:
12 A Deeper View
The first data from the James Webb
Space Telescope demonstrate
unprecedented capabilities.
By Monica Young
16 The Search for Middleweight
Black Holes
Elusive intermediate-mass black
holes hold the key to understanding
their supermassive siblings.
By Jenny Greene
22 Cosmic Cataclysm in
South America
Evidence of an ancient aerial
explosion points to an ongoing
danger. By Peter H. Schultz, with
Thomas A. Dobbins
28 The Great Edge-On Galaxy
of Autumn
Spend some time with the splendid
NGC 891 and its neighbors.
By Howard Banich
34 Understanding Lunar Eclipses
Celestial geometry and Earth's
atmosphere combine to create a
spectacular sight.
By Anthony Mallama
58 Catching the Sun
As the solar cycle ramps up, it's a
great time to photograph our star.
By Sean Walker
ON THE COVER
ONLINE
FOLLOW US ON SOCIAL MEDIA
Stay updated with news and cool
images and videos:
Facebook: @SkyandTelescope
Twitter: @SkyandTelescope
Instagram: #skyandtelescopemag
Nearly 1,000 images
make this mosaic of
Stephan's Quintet.
NASA / ESA / CSA / STSCI
2
ASTRO TOURISM
Come with us to explore wonders
both on Earth and in the sky.
skyandtelescope.org/tours
DIGITAL EDITION
Use the email connected to
your subscription to read
our latest digital edition.
skyandtelescope.org/
digital
SKY & TELESCOPE (ISSN 0037-6604) is published monthly by AAS Sky Publishing, LLC, owned by the American Astronomical Society, 1667 K Street NW, Suite 800, Washington, DC
20006, USA. Phone: 800-253-0245 (customer service/subscriptions), 617-500-6793 (all other calls). Website: skyandtelescope.org. Store website: shopatsky.com. ©2022 AAS Sky
Publishing, LLC. All rights reserved. Periodicals postage paid at Washington, DC, 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 219, Lincolnshire,
IL, 60069-9806. Printed in the USA. Sky & Telescope maintains a strict policy of editorial independence from the AAS and its research publications in reporting on astronomy.
NOVEMBER 2022 * SKY & TELESCOPE
MARCH 2018 * SKY & TELESCOPE
58
OBSERVING
41 November's Sky at a Glance
By Diana Hannikainen
42 Lunar Almanac & Sky Chart
43 Binocular Highlight
By Mathew Wedel
44 Planetary Almanac
6 From Our Readers
45 Evenings with the Stars
By Fred Schaaf
46 Sun, Moon & Planets
By Gary Seronik
48 Celestial Calendar
By Bob King
52 Exploring the Solar System
By Thomas A. Dobbins
54 Suburban Stargazer
By Ken Hewitt-White
57 Pro-Am Conjunction
By Diana Hannikainen
7 75, 50 & 25 Years Ago
By Roger W. Sinnott
8 News Notes
11 Cosmic Relief
By David Grinspoon
68 New Product Showcase
70 Astronomer's Workbench
By Jerry Oltion
72 Beginner's Space
By Sean Walker
74 Gallery
83 Event Calendar
84 Focal Point
By John Wolfram
S&T TEST REPORT
64 Celestron's Dewheater and
Power Controller
By Rod Mollise
COLUMNS / DEPARTMENTS
4 Spectrum
By Peter Tyson
VOL. 144, NO. 5
SEAN WALKER / S&T
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Sky & Telescope - November 2022

Table of Contents for the Digital Edition of Sky & Telescope - November 2022

Contents
Sky & Telescope - November 2022 - Cover1
Sky & Telescope - November 2022 - Cover2
Sky & Telescope - November 2022 - 1
Sky & Telescope - November 2022 - Contents
Sky & Telescope - November 2022 - 3
Sky & Telescope - November 2022 - 4
Sky & Telescope - November 2022 - 5
Sky & Telescope - November 2022 - 6
Sky & Telescope - November 2022 - 7
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