function norh_gt_corner,index

;+
; NAME:
;       norh_gt_corner
;
; PURPOSE:
;       Return the left-bottom corner of an NORH Field of View 
;       from the Sun center in pixel unit
;
; CALLING SEQUENCE:
;       corner=norh_gt_corner(index)
;
; INPUTS:
;       index: index structure
;
; HISTORY:
;       Writtern 1998-05-29 TY
;       Modified 2000-04-19 TY based on V. Grechnev's suggestion
;-



return, -index.norh.solcen

end