Become a sponsor to Cédric Foellmi
I am a doctor in astronomy, former support astronomer in a major observatory in Chile, and developer of tools and apps for astronomical observers since more than 10 years.
I am dedicated at filling the gap between researcher-level tools and general-public apps. This is both for researchers to make their tools more accessible, and "amateurs" to access professional-quality tools. I love citizen science, and for that one must help those worlds to communicate. This will also help teachers and their classrooms all over the world to play with free and open material.
Thanks a lot for your support!
🌃 Made with love from the Alps.
Featured work
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onekiloparsec/SwiftAA
The most comprehensive collection of accurate astronomical algorithms in (C++, Objective-C and) Swift.
C++ 170 -
onekiloparsec/aa-js
The most comprehensive collection of accurate astronomical algorithms in JavaScript (TypeScript).
TypeScript 39 -
onekiloparsec/QLFits
The macOS quicklook plugin for FITS files.
Objective-C 57 -
arcsecond-io/cli
The Command Line Interface (CLI) & Python Module for Arcsecond.io. Plan your observations with your own code!
Python 8 -
arcsecond-io/standard-stars-catalogues
A unified collection of standard stars catalogues
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onekiloparsec/KPCTabsControl
A macOS control for tabs with enhanced capabilities, and styles: Safari, Chrome and custom ones.
Swift 170
$1 a month
SelectSee-level. Thanks!
$2 a month
SelectMountaineering-level. Thanks!
$3 a month
SelectEverest-summit-level. Thanks!!
$5 a month
SelectISS-orbit level. Thanks a lot!
$10 a month
SelectGeostationary-orbit level. Awesome! Thanks a lot!
$20 a month
SelectMoonshot level. Wow, thanks a lot!
$50 a month
SelectPioneer-Viking-Huygens-solar-system-probe level. Stunning! Thanks so much. If it occurs that you are in a close fly-by in Grenoble, let us know, I'll be happy to make you discover local specialties!
$100 a month
SelectEntering interstellar space. Truly amazing. Thanks so much. If it occurs that you are in a close fly-by in Grenoble, let us know, I'll be happy to make you discover local specialties!