Presentation: Forgotten History: Al-Sufi's Book of Fixed Stars


On Friday 27th of January, 2018, I gave a presentation at the KW RASC on Al-Sufi's Book Of Fixed Stars.

The book is the first illustrated pictorial star atlas, and was very influential for centuries after it was authored. It spread widely from central Asia, throughout the Middle East, and to Europe. It was translated into many languages.

Here is the presentation slides, and audio recording:

AstroEQ: Telescope Controller With EQMOD Emulation

AstroEQ is another GOTO telescope controller from the UK.

Basically, the author was a university student when he started this project, to convert a non-GOTO motorized mount into a GOTO mount.

A ready made AstroEQ controller is available for purchase. It has USB on one side, and two connectors for steppers on the other.


DIY GOTO Telescope Controller With Autoguiding and Periodic Error Correction

In these pages, I describe how to make a Do It Yourself (DIY) Telescope Controller. That is, a piece of electronics that would at a minimum drive motors on the telescope to track the sky.

The features should be:



Installing the latest KStars, Ekos and INDI Library on Ubuntu 16.04



When I select a Linux version to run, I always use the latest stable long term release version. For example, for XFCE based Xubuntu, I am now on 16.04.

However, being with a long term release version means that for some software packages, you will have older versions. One such case is telescope automation platform, Ekos and the associated INDI Library.

To make sure that you are running the latest Ekos and INDI library, you can do the following:

First, purge all the KStars and INDI packages, if they are installed:


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