CONTENTS 28
= on the cover C
Features
28 First date with a DSLR
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Tips for taking great night shots with these versatile cameras
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I L L G A T E R
N A S A /
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I O
WT O S T U D
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PA G E
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T H
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I M A G E S
I S T O C K /G E T T Y
@ T H E S H E D _ P H O
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T O
P H O
S T O C K
L I N S/J A S O N FA N G/
L I B R A R Y/A L A M Y
M O
Í A Z
DP E D R O
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I M A G E
C O V E R
T O
I E N C E P H O
M A R K G A R L I C K /S C
T O
P H O
S T O C K
I M A G E S/A L A M Y
I S T O R Y
HI E N C E
S C
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J P LC A LT E C H
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Send your photos to the contest 34 APY 2023 open for entries
36 Chelyabinsk: 10 years on
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Recalling the meteor explosion
60 Cosmology crash course
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How fast is the cosmos growing?
62 Observing variable stars
Uncover how stars work through tracking changes in brightness
68 Copernicus at 550
The astronomer behind the theory of a heliocentric Universe
Regulars 6 Eye on the sky 11 Bulletin 16 Cutting edge 18 Inside The Sky at Night 20 Interactive 23 What’s on 25 Field of view 26 Subscribe to BBC Sky
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at Night Magazine 72 Explainer 74 DIY astronomy 98 Q&A: a planetary scientist
Astrophotography 76 Capture 78 Processing 80 Gallery
4 BBC Sky at Night Magazine February 2023
Reviews 86 Sharpstar Z4 sextuplet apo astrograph 90 Sky-Watcher Heritage 150P
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Virtuoso GTi Wi-Fi Dobsonian 94 Books 96 Gear
16-PAGE CENTRE PULLOUT
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The Sky Guide 44 Highlights 46 The big three 48 The planets 50 February’s all-sky chart 52 Moonwatch 53 Comets and asteroids 53 Star of the month 54 Binocular tour 55 The Sky Guide challenge 56 Deep-sky tour 58 February at a glance
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