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20180602

-                      v3
+                      v4
   *  Do a total of 10 sets to complete the test (this can be the same flux standard but on different tracks (E/W or different nights).
+=== Get g, r, i photometric zero points ===
+If conditions are reasonably photometric and the illumination correction seems to be working then setup on 9 different full setups near the center of track and save images in g, r, i.      Run {{{ gethead FILTER FMAG FZPOINT PSFMAG *.fits }}} on the gc1 and gc2 files and report this to het-operations.     I think the new zero point for each filter should be PSFMAG + FMAG
 == Low Priority On Sky Engineering Tests ==