BBC Sky at Night - UK (2021-08)

August 2021 BBC Sky at Night Magazine 91

Combining

RGB

images

Combining RGB

(Red, Green and Blue)

images is a little

bit more involved

than it is in other

image-processing

packages, but there

is an easy way to

use layers and the

‘Recolour’ tool

to create LRGB

(Luminance, Red,

Green and Blue)

and Hubble Palette

images from mono

images taken through

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Background removal tool

The ‘Remove Background’ tool removed both bright

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simply add single or multiple handles for gradients onto the

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Star alignment tool

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