= on the cover C
28 First date with a DSLR
Tips for taking great night shots with these versatile cameras
I L L G A T E R
N A S A /
WT O S T U D
PA G E
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
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
Í A Z
DP E D R O
I M A G E
C O V E R
I E N C E P H O
M A R K G A R L I C K /S C
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
J P LC A LT E C H
Send your photos to the contest 34 APY 2023 open for entries
36 Chelyabinsk: 10 years on
Recalling the meteor explosion
60 Cosmology crash course
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
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
Virtuoso GTi Wi-Fi Dobsonian 94 Books 96 Gear
16-PAGE CENTRE PULLOUT
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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