define	SZ_PED		40	# pedigree length
define	MAX_EXT		20
define	SZ_EXT		20	# file extension size
define	MAX_YPOS	100	# maximum number of scans of image mode (with
				# a dispersion element)

# fields in the target list
define	SZ_VISIT	2
define	SZ_TARG		30	
define	SZ_DESC		35	

# fields in the observation list, common fields.
define	SZ_LINENUM	8
define	SZ_ROOT		9
define	MAX_TARG	15
define	SZ_DATEOBS	8
define	SZ_EXPT		8

# FOS specific
define	SZ_YMODE	10	
define	SZ_YDET		5
define	SZ_YAPER	23
define	MAX_APER	16
define	SZ_YFILT	3