BBC Sky at Night

Sky at Night magazine is your practical guide to astronomy. Each issue features the world’s biggest and best night sky guide complete with star charts, observing tutorials and in-depth equipment reviews to ensure that amateur astronomers never miss those must-see events.

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Sky at Night – lots of ways to enjoy the night sky…

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Extra content ONLINE • Visit www.skyatnightmagazine.com/bonus-content/RQ3L6T5/ to access this month's selection of exclusive Bonus Content

CAT AMONGST THE COSMOS • A closer look at the gigantic star-forming region known as the Smiling Cat Nebula

Giant black holes heard colliding • Gravitational waves give scientists new insight into how galaxies grow

Comment

Early Universe seen running slow • Cosmic clocks appear to run slower soon after the Big Bang, just as Einstein predicted

Perseverance captures a cocktail of organics

Two major missions commence

NEWS IN BRIEF

Electron rain creates Mercury's aurorae • The X-ray aurorae are triggered by solar wind hitting the planet

Fireballs rain down from Sun's corona

2,000-year-old frees are unlikely astronomers • Tibetan Junipertrees could trace miUennia-Long patterns of solar activity

Stellar fireworks confuse JWST • Early galaxies may conceal their real mass behind bursts of new stars

INSIDE THE SKY AT NIGHT • In this month's episode of The Sky at Night, James Nightingale explains howto find invisible black holes using the light that bends around them

Looking back: The Sky at Night • 23 September 1991

INTERACTIVE • Email us at inbox@skyatnightmagazine.com

ON FACEBOOK • We published our list of the 50 greatest astronomers of all time (see bit.ly/famous- astronomers) and asked you foryourtop picks

SCOPE DOCTOR • Our equipment specialist cures your optical ailments and technical maladies With Steve Richards

BBC Sky at Night

WHAT'S ON

PICK OF THE MONTH

When it comes to lighting, less is more • Patricia Yanez on designing considerate Lighting fora Luxury Red Sea resort

Highlights of the antumn skies • From returning favourites to unmissable one-off events, Katrin Raynor picks out the best night-sky sights coming up in the months ahead

Planets you'll see this autumn • Several of our Solar System neighbours get their time to shine

Autumn's comets and meteors • Lots of meteor showers will pepper the skies in the coming months

10 targets to get you starrted in astrophotography • From star trails to your first planets, Tom Kerss shares 10 inspiring projects to kick off your night photography journey

Capturing a first: the Spin nebula • Amateur astronomers work collaboratively to produce first high-resolution image of little-known nebula He 2-11

The Sky Guide • SEPTEMBER 2023

SEPTEMBER HIGHLIGHTS • Your guide to the night sky this month

NEED TO KNOW • The terms and symbols used in The Sky Guide

DON'T MISS Moon events • The top sights to observe or image this month

PICK OF THE MONTH • Our celestial neighbourhood in September

THE NIGHT SKY – SEPTEMBER • Explore the celestial sphere with our Northern Hemisphere all-sky chart

MOONWATCH • September's top lunar feature to observe

COMETS AND ASTEROIDS • A chance to catch dim minor planet 88 Thisbe as it reaches opposition

STAR OF THE MONTH • Kitalpha, the ‘emptiness’ in the head of a horse

BINOCULAR TOUR With Steve Tonkin • Our tour near Aquarius has it all, from clusters to planets, double stars and an...