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CAPTURING THE UNIVERSE
Text and photography by TONY PUERzER
IMAGE-PROCESSING BASICS
transform your astro-images from bland to bold
A
Re YoU A Good cooK? I’m
not. Yet if you give me a clear,
concise recipe, I can whip up a
pretty good meal. Image processing is a
lot like that. You may not be a Photoshop
guru, but by following a few simple instructions,
you can turn your astrophotos
into tasty visual treats.
For the best results, you need to start
COOKED LIKE DINNER The simple recipe
outlined in this article transforms the original
unprocessed, straight-from-the-camera image
below into something delicious, left. The author
used a Canon 80D DSLR with a Canon 300mm
lens to take this portrait of the Lagoon and
Trifid Nebulas, in Sagittarius, while attending
the annual Mount kobau Star Party in British
Columbia. The camera was set to ISO 3200
with the lens wide open at f/4. An iOptron
iEq30 Pro mount was used to pre vent star
trails during the 2-minute exposure. Readers
wishing to follow along can download the raw
image at www.BrightIdeaPhotography.com/
SampleRawFile.zip.
with high-quality ingredients. the recipe
presented here assumes that you have
18 SKYNEWS • JANUARY/FEBRUARY 2018
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