Sky & Telescope - March 2025 - 2

CONTENTS
March 2025
THE ESSENTIAL GUIDE TO ASTRONOMY
FEATURES
12 Astronomy in a
Changing Climate
Professional and amateur
astronomers are seeing the impact
that a warming world is having on
doing astronomy.
By Javier Barbuzano
12
20 A Rosette by Any
Other Name
Launch a detailed exploration of one
of the best-known emission nebulae.
By Howard Banich
28 Bart and Priscilla Bok: A
Galactic Love Story
Two astronomers shared a
connection with the stars that was
both personal and professional.
By Klaus R. Brasch
Cover Story:
34 Tsuchinshan-ATLAS Shines
Comet C/2023 A3 put on a fine
display for observers worldwide.
By Sean Walker
60 Seeing Beyond the Blue
The distant ice giant Neptune is a
kaleidoscope of cloud activity.
By Heidi B. Hammel
OBSERVING
41 March's Sky at a Glance
By Diana Hannikainen
42 Lunar Almanac & Northern
Hemisphere Sky Chart
43 Binocular Highlight
By Mathew Wedel
44 Southern Hemisphere
Sky Chart
45 Stories in the Stars
By Stephen James O'Meara
46 Sun, Moon & Planets
By Gary Seronik
48 Celestial Calendar
By Bob King
52 Exploring the Solar System
By Thomas A. Dobbins
54 Planetary Almanac
55 Suburban Stargazer
By Ken Hewitt-White
58 Pro-Am Conjunction
By Diana Hannikainen
ON THE COVER
ONLINE
BEGINNERS' GUIDE
Print out our free, 10-page handout
to give out at star parties and other
community events
skyandtelescope.org/
getting-started
Comet C/2023 A3 over
Osoyoos, Canada, on
October 13, 2024
PHOTO: DEBRA CERAVOLO
2
H 2 25
EXPLORE THE NIGHT BLOG
Follow Contributing Editor Bob King
as he takes readers on an adventure
through the night sky.
skyandtelescope.org/king
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. ©2025 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.
MARCH 2018 * SKY & TELESCOPE
S&T TEST REPORT
66 Founder Optics Draco 62 and
FOT86 Refractors
By Alan Dyer
COLUMNS / DEPARTMENTS
4 Spectrum
By Diana Hannikainen
6 From Our Readers
7 75, 50 & 25 Years Ago
By Roger W. Sinnott
8 News Notes
72 Astronomer's Workbench
By Jerry Oltion
74 Beginner's Space
By Gary Seronik
76 Gallery
83 Event Calendar
84 Focal Point
By Govert Schilling
VOL. 149, NO. 3
KPNO / NOIRLAB / NSF / AURA

http://www.skyandtelescope.org/getting-started http://www.skyandtelescope.org/king http://www.skyandtelescope.org/digital http://www.skyandtelescope.org/digital http://www.skyandtelescope.org/getting-started http://www.skyandtelescope.org http://www.shopatsky.com

Sky & Telescope - March 2025

Table of Contents for the Digital Edition of Sky & Telescope - March 2025