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Category: Image Processing

Background extraction per sub in Siril

December 22, 2020 colin

I’ve discovered a fantastic new feature in Siril: you can now have it apply background extraction per frame in a…

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Posted in: Image Processing

Star Reduction in GIMP

September 14, 2020 colin

I found a really slick trick to reduce stars in an image using GIMP. It’s really simple and works amazingly…

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Posted in: Image Processing

Working with SER files in Siril

July 13, 2020 colin

I was always super confused when working with color SER files in Siril. In particular, the program always says you…

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Posted in: Image Processing

Preprocessing with Siril

June 10, 2020 colin

I’ve been having quite the time figuring out how to properly calibrate the images from my big ass Newtonian. I…

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Posted in: Image Processing

Combining sequences in Siril

March 9, 2020 colin

I started my first multi-night project in Siril. It was a little unintuitive on how to do this. First, you’ll…

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Posted in: Image Processing

Dither or Die

February 25, 2020 colin

You hear this advice everywhere you look when it comes to astro imaging. It’s pretty much true. Dithering is an…

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Posted in: Equipment, Image Processing

Concentric coloured rings in images

February 21, 2020 colin

I’ve been fighting a big problem recently with concentric rings of different colors appearing in both my lights and flats.…

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Posted in: Equipment, Image Processing

General settings in Siril for DSLR images

December 19, 2019 colin

I finally noticed that after debaying my RAW images in Siril, the colors didn’t look right. With my modified DSLR,…

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Posted in: Image Processing

Effective background removal

December 11, 2019 colin

If you have an uneven background in your image with a target that doesn’t take up most of the image,…

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Posted in: Image Processing

Retouching the Crescent

December 7, 2019 colin

With the new denoise scheme and other skills under my belt, I’ve been redoing the post-processing of many of my…

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Posted in: Deep Space, Image Processing, Nebulae

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