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maurycyz.com

Maurycy's blog

Get the latest updates from Maurycy's blog directly as they happen.

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Latest posts

Last updated 3 days ago

A rant about phishing: It's not the user's fault (and not DNS either)

4 days ago

"For safety, don't click suspicious links" Meanwhile, most organization's login flow redirects...

Technical note: transfer files over an ethernet patch cable

15 days ago

It's possible to just connect two computers together with Ethernet and do...

Uranium from Příbram (Czechia)

19 days ago

All images are links to high quality versions. RC-102: 1.7 kCPS [43...

You have been mislead about lightbulbs

about 1 month ago

There's a story that goes something like this: In 1925, lightbulb manufactures...

Regressive JPEGs:

about 2 months ago

One of the cool features of JPEG files is that there's the...

NGC 7497, etc.

about 2 months ago

North is up (aprox). 0.53 "/pixel. [24' x 23' field] FWHM =...

Making cooled clothing:

2 months ago

So, summer gets really hot, and it's not going to get better...

The Tadpole galaxy:

2 months ago

North is up (exact, mirrored). 0.53 "/pixel [18.8' x 7.4'] FWHM =...

Arp 90

2 months ago

North is up (mirrored, exact). 0.53"/px [15' x 9.2' field]. FWHM =...

Stephan's Quintet

2 months ago

North is right (mirrored). 0.53"/pixel [17'x12' field]. FWHM=3.7" Ok, this is a...

Arp 38: not that peculiar

3 months ago

Data is from 2026-06-20. North is right. 0.53"/pixel (27'x27' field). FWHM=4' A...

Arp 293: More interacting galaxies

3 months ago

North is right. 0.52"/pixel (18'x9' field) FWHM=4.5" The pair of galaxies near...