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20161107

-                      v3
+                      v4
 ===  Focus test:  GC1-GC2-DWFS8 ===
 Purpose:   We want to measure the focus of GC1,GC2 realtive to DWFS8.
+Purpose:  We want to measure the focus of GC1,GC2 relative to DWFS8.
 Procedure:
  *  Set up on a foc09 star in the usual way (i.e. yse do_shuffle or gstar to put the V=9 star in DWFS8 and guide stars in gc1,gc2).
+ *  Set up on a foc09 star in the usual way (i.e. use do_shuffle or gstar to put the V=9 star in DWFS8 and guide stars in gc1,gc2).
  *  Have TO set-up and guide on either gc1 or gc2
  *  Have TO use DWFS8 to focus the star
+ *  Have TO use DWFS8 to focus the star (i.e. null the wavefront processing corrections)
  *  Record GroC
  *  Use /home/mcs/astronomer/script (modified by SIR on 20161107) to collect  GC1, GC2 images at different focus settings.
  *  Record GRoC
 The above sequence would comprise one data set.As of 20161107 HL is requesting that we collect 20 sets to complete this test.
+The above sequence would comprise one data set.  As of 20161107 HL is requesting that we collect 20 sets to complete this test.