See this Comm Center thread (Bernard Miller). The post-AF pointing update is possibly replaced by an autoflip, but the pre-flip is ignored. It's wrong here.
'
' If need to do a pointing update, get that done now too. Check to see if
' the upcoming (first) exposure would cross the flip point, and if so,
' do the auto-flip (which will do a pointing update itself).
'
If Prefs.PointingUpdates.Enabled Then
If PREFLIPMARGIN > 0 Then z = PREFLIPMARGIN Else z = 0 ' Ignore negative PREFLIPMARGIN
If Telescope.AlignmentMode = 2 Then ' For GEM
