New option to include all Manu fibers
Fix bug in mask
Document what we will do for ORL line study
Copy photom_utils.py from RingNebula project
Add json file of wav ranges
Allow use on linux server without DISPLAY set
Stop from falling over on missing file
Print progress indicator
Use a list instead of a generator
Add new range for He I 5048
Remember the updated line wavelength database
Correct wav range to avoid wing of 5007
Add more lines near 4591
Add extra lines to Manu extraction program
Fix error in dict access for nonexistent lines
Avoid including positions outside the relevant waveband
New program to extract map of single line
Tie the [Ar IV] lines together

This is necessary because the 4711 line is badly blended with He I 4713
Graphs of the full manu line maps
Musings on recombination vs fluorescence