Stellarium is a free GPL software which renders realistic skies in real time with OpenGL. It is available for Linux/Unix, Windows and macOS. With Stellarium, you really see what you can see with yo…

plotting on terminal

generate realistic atmospheric input parameters for point-spread function simulations in GalSim

Data-driven wavefront-based PSF modelling framework.

Study and Implementations of Numerical Algorithms on Apple M1 and A* Devices

Python implementation of the Forward Global Calibration Method

A py.test plugin to validate Jupyter notebooks

python optics module

Machine Learning From Scratch. Bare bones NumPy implementations of machine learning models and algorithms with a focus on accessibility. Aims to cover everything from linear regression to deep lear…

An ultra-simplified explanation to design patterns

A header-only C++ library for large scale eigenvalue problems

The Ignominous Profiler

A package of modules that can be loaded in galsim config files

Investigations of chromatic effects for LSST weak lensing, as documented here: https://LSSTDESC.github.io/chroma/ and here:

A collection of working example scripts for generating simulated LSST images given basic inputs, and for using the DM stack to analyze those images.

The modular galaxy image simulation toolkit. Documentation: