Blog Posts

Brother MFC-9340CDW Duplex Scanning on Ubuntu 24.04

2024-08-10

Initial issue I recently purchased a new computer and installed Ubuntu 24.04 on it. While everything appeared to be working correctly, I soon noticed that duplex (two sided) scanning on my Brother MFC-9340CDW printer was not working as expected. Despite having the “Both” option selected in simple-scan it only digitized a single size of each page. Inspection My first thought was that the jump from 22.04 to 24.04 may have resulted in some change in how my scanning software was accessing the scanner.

Create a fisheye horizon landscape for Stellarium

2023-12-03

In this blog post I explain how to use your mobile phone and some cross-platform software to create a custom fisheye landscape for Stellarium. This form of landscape is exceptionally useful for planning observations from less-than-ideal observing locations. For example, I observe from my condo’s covered patio. As shown in the image below, my field of view is restricted by the patio ceiling, roof overhangs, gutters, downspouts, trees, and nearby buildings.

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