Setting up a remote Desktop on a Linux Machine (Do work on your speedy work desktop from your slow home -- or traveling -- laptop!)

Ian Crossfield's astrobetter post on parallelizing your python codes

Tutorial on reducing single-slit spectra.

Here is a cosmology calculator package I wrote for Python, cosmo.py, and notes on what the calculator does and how to use it.

If you find any bugs or errors, please email me so I can improve it.

Spectral wavelength calibration using night sky lines. And my line list for identification.