If the image still looks a little dim, you can adjust it by re-opening the Histogram adjustment box. Select ‘Blue’ to remove any unwanted blue cast. We’re using an already stacked image of the North America Nebula and Pelican Nebula (below).
#Atronomy histogram maker how to#
In this article we will look at how to use PaintShop Pro’s Histogram adjustment tool to improve the colours in an image.īeing an astronomy website, of course, we’re turning to astrophotography and are going to look at how a histogram can be used to imoprove an image of a nebula. The histogram can also be used for adjusting the individual Red, Green and Blue (RGB) colour levels in the same way, making it a very flexible and powerful tool in your image processing armoury. The histogram itself is simply a way of showing the varying light levels captured in your image from the dark tones on the left (the Blacks) to the white highlights on the right (the Whites).Ī bump in the middle, representing the middle tones, can also be adjusted. After colour adjustments and background darkening, the image of the North America and Pelican Nebulae is transformed.
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