In Sprin2019 I revised some of the acm photometry methodology. A major goal was to install most of the useful data in the FITS headers.

1. Analysis 1: Five moonless,clear nights.
2. Analysis 2: Systematics of g data.
3. Analysis of HET pupil illumination values.
4. Analysis 3: Systematics of g,r,i data (with moonlight included).
5. Analysis 4: Sky brightness with moonlight.
6. Analysis 5: Reduced acm images as of June 13,2019