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Eclipse Obscuration.ipynb

Eclipse Obscuration Calculator

Inspired by and

Note that astropy is much slower than PyEphem, but gives you more correct results. Results from this have been spot-checked against

This repository includes, which will generate world maps and CSV files of eclipse obscuration. Note that this is VERY slow. One run (along with a movie) has already been completed in the output/ directory.

  • This run was completed using 4-character Maidenhead Gridsquare resolution (
  • Obscuration is set to 0 when the sun is more than 18 degrees below the horizon (astronomical night). This accounts for the sharp edges seen in the figures.
  • Obscuration was calculated at 300 km altitude for purposes of studying the ionosphere and HF radio propagation effects.