Dirk Matussek

Born in 1963

Software author and amateur jazz musician,

Engineer and nərd,

Part time rautavist in Frankfurt, Germany


Internet projects

AstroViewer Sky Map

AstroViewer is an interactive sky map that helps you to find your way in the night sky quickly and easily.


AstroViewer Sky Map

AstroViewer ISS

The positions of the International Space Station ISS and the Chinese Space Station Tiangong and their ground tracks in real time.

ISS and Tiangong sighting opportunities for any location.


AstroViewer ISS

AstroViewer Widgets

Here you find HTML code to embed a night sky map, the current position of the ISS or other AstroViewer Widgets in your website.


AstroViewer Widgets

The Low Gs

Ukulele Bass Vocals


We founded The Low Gs, a ukulele jazz band, in 2018.


The Low Gs

Ukulele Voicings

Here you find all voicings (that is where you place your fingers on the fretboard) for a given chord. And you find all chords made up by a specific voicing on your ukulele.


Ukulele Voicings

The Rautavistics Corner

Looking for purpose? Wrong place to go!

Welcome to my rautaverse!