d216_hacalib.txt
The Halpha calibration constant includes corrections for atmospheric extinction
due to the airmass of the observations, the shift in the bandpass due to the
temperature of the filter, and a contribution from [NII].
The Halpha calibration constant includes corrections for atmospheric extinction
due to the airmass of the observations, the shift in the bandpass due to the
temperature of the filter, and a contribution from [NII].