Resolution Slit width test002 CFL 13W 2300K (compact fluorescent light calibration) for the DH 4.0 v4 spectrometer.

http://publiclab.org/notes/dhaffnersr/08-28-2016/resolution-test-using-532nm-laser-and-405nm-uv-laser-pointer

I wanted to add this reference, it contains the calibration lines for a CFL ( 435.8nm and 546.1nm)