Blog

Articles on workflow and processing, experiences with equipment, or just general stories related to astronomy or astrophotography.

Web-site launch
Willem Jan Drijfhout Willem Jan Drijfhout

Web-site launch

After three years of astrophotography, finally here is the launch of my website AstroWorldCreations. Descriptions of images, equipment, workflows and regular updates with new images and blog-posts.

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Updating UTC/Earth rotation data
Equipment Willem Jan Drijfhout Equipment Willem Jan Drijfhout

Updating UTC/Earth rotation data

Approximately twice each year, the 10Micron mounts need to be updated with new data on UTC/Earth rotation. This is a simple process, but with some counterintuitive steps. This blog describes in three simple steps how to perform the update.

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Noise Reduction using MMT
Processing Willem Jan Drijfhout Processing Willem Jan Drijfhout

Noise Reduction using MMT

There are many ways to reduce the noise in an image. MultiscaleMedianTransform (MMT) provides a straightforward approach that gives very good results most of the time.

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A 40 meter telescope in your backyard
Astronomy Willem Jan Drijfhout Astronomy Willem Jan Drijfhout

A 40 meter telescope in your backyard

We’re on a turning point in history when it comes to optical telescopes. Within the next decade, three mega-telescopes will be completed that have more resolution than any of the current and future space telescopes. A presentation as prepared for the local Astronomical Society.

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Supernova (sort of) in M51
Willem Jan Drijfhout Willem Jan Drijfhout

Supernova (sort of) in M51

When comparing images of M51, Whirlpool galaxy, from 2018 and 2019, the supernova like object AT2019abn could be identified.

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